Friday, 17 May 2019

Online Student Attendance System in PHP Mysql







Do you know Online Attendance Management System is an advance tool, which help us to manage and maintain the records of student attendance. This type of tool mainly a one type of software that keep observe attendance details.

Here this is online attendance system, that means this system has very useful technique, because this system we can access from anywhere from any device, because this system has been develop by responsive web technology.

This is very simple and user friendly attendance management system for teacher, who want to digitize their student attendance record online. Digitize means convert paper work process into digital form, and store all data online, So he can view all details in single click.

For make this student attendance system in PHP Mysql, we have use all opensource technology like PHP, Mysql, jQery, Ajax, Bootstrap 4, jQuery Datatable plugin, Bootstrap Datepicker plugin. If you are looiking for your College project, then you can use this system in your education project also.

So, are you ready for learn how to make simple Student Attendance system in PHP and Mysql. So you have come on right place with right time, because here we have make tutorial on attendance management system by using latest web technology.

Features of Attendance Management System


The main feature of this Student Attendance system is that store student daily attendance record, and make PDF report from attendance data. This is very simple system, there are main two user, one is admin and other one is teacher. Admin has all rights for view or access system data, while teacher has rights to view only his or her grade student data. In this system Admin and teacher password has been store in encrypted form.

User of this System


  • Admin
  • Teacher

Admin Activity


  • Admin can Add Update Delete Grade Master Data
  • Admin has rights to add new teacher account, edit teacher details, and remove teacher account
  • Admin can assign grade to teacher, so teacher can view his or her student and take attendace of that student only.
  • Admin can Add new student, edit existing student and delete student data. Student grade also assign by admin only.
  • Admin can view all student attendance records of any grade.
  • Admin can make pdf report of any student attendance record
  • Admin can view all student overall attendance details in percentage form.

Teacher Activity


  • Teacher can update his or her profile details like change password, change profile picture etc
  • Teacher can view his or her grade student list.
  • Teacher can take attendance of his or her grade student.
  • Teacher can view his or her grade student attendance details
  • Teacher can generate PDF report of Attendance records.
  • Teacher can view overall attendance percentage of all student of his or her grade.

We have following Web Technology has been used for this attendance management system.



Database Structure




Directory Stucture

Below you can find directory structure of this attendance management system project in PHP.




admin/database_connection.php



<?php

//database_connection.php

$connect = new PDO("mysql:host=localhost;dbname=attendance","root","");

$base_url = "http://localhost/tutorial/student-attendance-system-in-php-using-ajax/";

function get_total_records($connect, $table_name)
{
 $query = "SELECT * FROM $table_name";
 $statement = $connect->prepare($query);
 $statement->execute();
 return $statement->rowCount();
}

function load_grade_list($connect)
{
 $query = "
 SELECT * FROM tbl_grade ORDER BY grade_name ASC
 ";
 $statement = $connect->prepare($query);
 $statement->execute();
 $result = $statement->fetchAll();
 $output = '';
 foreach($result as $row)
 {
  $output .= '<option value="'.$row["grade_id"].'">'.$row["grade_name"].'</option>';
 }
 return $output;
}

function get_attendance_percentage($connect, $student_id)
{
 $query = "
 SELECT 
  ROUND((SELECT COUNT(*) FROM tbl_attendance 
  WHERE attendance_status = 'Present' 
  AND student_id = '".$student_id."') 
 * 100 / COUNT(*)) AS percentage FROM tbl_attendance 
 WHERE student_id = '".$student_id."'
 ";

 $statement = $connect->prepare($query);
 $statement->execute();
 $result = $statement->fetchAll();
 foreach($result as $row)
 {
  if($row["percentage"] > 0)
  {
   return $row["percentage"] . '%';
  }
  else
  {
   return 'NA';
  }
 }
}

function Get_student_name($connect, $student_id)
{
 $query = "
 SELECT student_name FROM tbl_student 
 WHERE student_id = '".$student_id."'
 ";

 $statement = $connect->prepare($query);

 $statement->execute();

 $result = $statement->fetchAll();

 foreach($result as $row)
 {
  return $row["student_name"];
 }
}

function Get_student_grade_name($connect, $student_id)
{
 $query = "
 SELECT tbl_grade.grade_name FROM tbl_student 
 INNER JOIN tbl_grade 
 ON tbl_grade.grade_id = tbl_student.student_grade_id 
 WHERE tbl_student.student_id = '".$student_id."'
 ";
 $statement = $connect->prepare($query);
 $statement->execute();
 $result = $statement->fetchAll();
 foreach($result as $row)
 {
  return $row['grade_name'];
 }
}

function Get_student_teacher_name($connect, $student_id)
{
 $query = "
 SELECT tbl_teacher.teacher_name 
 FROM tbl_student 
 INNER JOIN tbl_grade 
 ON tbl_grade.grade_id = tbl_student.student_grade_id 
 INNER JOIN tbl_teacher 
 ON tbl_teacher.teacher_grade_id = tbl_grade.grade_id 
 WHERE tbl_student.student_id = '".$student_id."'
 ";
 $statement = $connect->prepare($query);
 $statement->execute();
 $result = $statement->fetchAll();
 foreach($result as $row)
 {
  return $row["teacher_name"];
 }
}

function Get_grade_name($connect, $grade_id)
{
 $query = "
 SELECT grade_name FROM tbl_grade 
 WHERE grade_id = '".$grade_id."'
 ";
 $statement = $connect->prepare($query);
 $statement->execute();
 $result = $statement->fetchAll();
 foreach($result as $row)
 {
  return $row["grade_name"];
 }
}

?>


Admin Login


admin/login.php



<?php

//login.php

include('database_connection.php');

session_start();

if(isset($_SESSION["admin_id"]))
{
  header('location:index.php');
}

?>

<!DOCTYPE html>
<html lang="en">
<head>
  <title>Student Attendance System in PHP using Ajax</title>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css">
  <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.0/jquery.min.js"></script>
  <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.7/umd/popper.min.js"></script>
  <script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.min.js"></script>
</head>
<body>

<div class="jumbotron text-center" style="margin-bottom:0">
  <h1>Student Attendance System</h1>
</div>


<div class="container">
  <div class="row">
    <div class="col-md-4">

    </div>
    <div class="col-md-4" style="margin-top:20px;">
      <div class="card">
        <div class="card-header">Admin Login</div>
        <div class="card-body">
          <form method="post" id="admin_login_form">
            <div class="form-group">
              <label>Enter Username</label>
              <input type="text" name="admin_user_name" id="admin_user_name" class="form-control" />
              <span id="error_admin_user_name" class="text-danger"></span>
            </div>
            <div class="form-group">
              <label>Enter Password</label>
              <input type="password" name="admin_password" id="admin_password" class="form-control" />
              <span id="error_admin_password" class="text-danger"></span>
            </div>
            <div class="form-group">
              <input type="submit" name="admin_login" id="admin_login" class="btn btn-info" value="Login" />
            </div>
          </form>
        </div>
      </div>
    </div>
    <div class="col-md-4">

    </div>
  </div>
</div>

</body>
</html>

<script>
$(document).ready(function(){
  $('#admin_login_form').on('submit', function(event){
    event.preventDefault();
    $.ajax({
      url:"check_admin_login.php",
      method:"POST",
      data:$(this).serialize(),
      dataType:"json",
      beforeSend:function(){
        $('#admin_login').val('Validate...');
        $('#admin_login').attr('disabled', 'disabled');
      },
      success:function(data)
      {
        if(data.success)
        {
          location.href = "<?php echo $base_url; ?>admin";
        }
        if(data.error)
        {
          $('#admin_login').val('Login');
          $('#admin_login').attr('disabled', false);
          if(data.error_admin_user_name != '')
          {
            $('#error_admin_user_name').text(data.error_admin_user_name);
          }
          else
          {
            $('#error_admin_user_name').text('');
          }
          if(data.error_admin_password != '')
          {
            $('#error_admin_password').text(data.error_admin_password);
          }
          else
          {
            $('#error_admin_password').text('');
          }
        }
      }
    });
  });
});
</script>


admin/header.php



<?php

//header.php

include('database_connection.php');

session_start();

if(!isset($_SESSION["admin_id"]))
{
  header('location:login.php');
}

?>
<!DOCTYPE html>
<html lang="en">
<head>
  <title>Student Attendance System in PHP using Ajax</title>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <!--<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css">
  <link rel="stylesheet" href="https://cdn.datatables.net/1.10.19/css/dataTables.bootstrap4.min.css">
  <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.0/jquery.min.js"></script>
  <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.7/umd/popper.min.js"></script>
  <script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.min.js"></script>
  <script src="https://cdn.datatables.net/1.10.19/js/jquery.dataTables.min.js"></script>
  <script src="https://cdn.datatables.net/1.10.19/js/dataTables.bootstrap4.min.js"></script>!-->
  <link rel="stylesheet" href="../css/bootstrap.min.css">
  <link rel="stylesheet" href="../css/dataTables.bootstrap4.min.css">
  <script src="../js/jquery.min.js"></script>
  <script src="../js/popper.min.js"></script>
  <script src="../js/bootstrap.min.js"></script>
  <script src="../js/jquery.dataTables.min.js"></script>
  <script src="../js/dataTables.bootstrap4.min.js"></script>
</head>
<body>

<div class="jumbotron-small text-center" style="margin-bottom:0">
  <h1>Student Attendance System</h1>
</div>

<nav class="navbar navbar-expand-sm bg-dark navbar-dark">
  <a class="navbar-brand" href="index.php">Home</a>
  <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#collapsibleNavbar">
    <span class="navbar-toggler-icon"></span>
  </button>
  <div class="collapse navbar-collapse" id="collapsibleNavbar">
    <ul class="navbar-nav">
      <li class="nav-item">
        <a class="nav-link" href="grade.php">Grade</a>
      </li>
      <li class="nav-item">
        <a class="nav-link" href="teacher.php">Teacher</a>
      </li>
      
      <li class="nav-item">
        <a class="nav-link" href="student.php">Student</a>
      </li>
      <li class="nav-item">
        <a class="nav-link" href="attendance.php">Attendance</a>
      </li>
      <li class="nav-item">
        <a class="nav-link" href="logout.php">Logout</a>
      </li>  
    </ul>
  </div>  
</nav>


admin/index.php



<?php

//index.php

include('header.php');

?>

<div class="container" style="margin-top:30px">
  <div class="card">
   <div class="card-header">
      <div class="row">
        <div class="col-md-9">Overall Student Attendance Status</div>
        <div class="col-md-3" align="right">
          
        </div>
      </div>
    </div>
   <div class="card-body">
    <div class="table-responsive">
        <table class="table table-striped table-bordered" id="student_table">
          <thead>
            <tr>
              <th>Student Name</th>
              <th>Roll Number</th>
              <th>Grade</th>
              <th>Teacher</th>
              <th>Attendance Percentage</th>
              <th>Report</th>
            </tr>
          </thead>
          <tbody>

          </tbody>
        </table>
    </div>
   </div>
  </div>
</div>

</body>
</html>

<script type="text/javascript" src="../js/bootstrap-datepicker.js"></script>
<link rel="stylesheet" href="../css/datepicker.css" />

<style>
    .datepicker
    {
      z-index: 1600 !important; /* has to be larger than 1050 */
    }
</style>

<div class="modal" id="formModal">
  <div class="modal-dialog">
    <div class="modal-content">

      <!-- Modal Header -->
      <div class="modal-header">
        <h4 class="modal-title">Make Report</h4>
        <button type="button" class="close" data-dismiss="modal">&times;</button>
      </div>

      <!-- Modal body -->
      <div class="modal-body">
        <div class="form-group">
          <select name="report_action" id="report_action" class="form-control">
            <option value="pdf_report">PDF Report</option>
            <option value="chart_report">Chart Report</option>
          </select>
        </div>
        <div class="form-group">
          <div class="input-daterange">
            <input type="text" name="from_date" id="from_date" class="form-control" placeholder="From Date" readonly />
            <span id="error_from_date" class="text-danger"></span>
            <br />
            <input type="text" name="to_date" id="to_date" class="form-control" placeholder="To Date" readonly />
            <span id="error_to_date" class="text-danger"></span>
          </div>
        </div>
      </div>
      <!-- Modal footer -->
      <div class="modal-footer">
        <input type="hidden" name="student_id" id="student_id" />
        <button type="button" name="create_report" id="create_report" class="btn btn-success btn-sm">Create Report</button>
        <button type="button" class="btn btn-danger btn-sm" data-dismiss="modal">Close</button>
      </div>

    </div>
  </div>
</div>

<script>
$(document).ready(function(){
  
   var dataTable = $('#student_table').DataTable({
    "processing":true,
    "serverSide":true,
    "order":[],
    "ajax":{
      url:"attendance_action.php",
      type:"POST",
      data:{action:'index_fetch'}
    }
   });

   $('.input-daterange').datepicker({
    todayBtn:"linked",
    format:'yyyy-mm-dd',
    autoclose:true,
    container: '#formModal modal-body'
   });

   $(document).on('click', '.report_button', function(){
    var student_id = $(this).data('student_id');
    $('#student_id').val(student_id);
    $('#formModal').modal('show');
   });

   $('#create_report').click(function(){
    var student_id = $('#student_id').val();
    var from_date = $('#from_date').val();
    var to_date = $('#to_date').val();
    var error = 0;
    var action = $('#report_action').val();
    if(from_date == '')
    {
      $('#error_from_date').text('From Date is Required');
      error++;
    }
    else
    {
      $('#error_from_date').text('');
    }
    if(to_date == '')
    {
      $('#error_to_date').text("To Date is Required");
      error++;
    }
    else
    {
      $('#error_to_date').text('');
    }

    if(error == 0)
    {
      $('#from_date').val('');
      $('#to_date').val('');
      $('#formModal').modal('hide');
      if(action == 'pdf_report')
      {
        window.open("report.php?action=student_report&student_id="+student_id+"&from_date="+from_date+"&to_date="+to_date);
      }
      if(action == 'chart_report')
      {
        location.href = "chart.php?action=student_chart&student_id="+student_id+"&from_date="+from_date+"&to_date="+to_date;
      }
    }

   });

});
</script>


admin/logout.php



<?php

//logout.php

session_start();

session_destroy();

header('location:login.php');


?>


Grade Management


admin/grade.php



<?php

include('header.php');

?>

<div class="container" style="margin-top:30px">
  <div class="card">
   <div class="card-header">
      <div class="row">
        <div class="col-md-9">Grade List</div>
        <div class="col-md-3" align="right">
          <button type="button" id="add_button" class="btn btn-info btn-sm">Add</button>
        </div>
      </div>
    </div>
   <div class="card-body">
    <div class="table-responsive">
        <span id="message_operation"></span>
     <table class="table table-striped table-bordered" id="grade_table">
      <thead>
       <tr>
        <th>Grade Name</th>
        <th>Edit</th>
        <th>Delete</th>
       </tr>
      </thead>
      <tbody>

      </tbody>
     </table>
    </div>
   </div>
  </div>
</div>

</body>
</html>

<div class="modal" id="formModal">
  <div class="modal-dialog">
    <form method="post" id="grade_form">
      <div class="modal-content">

        <!-- Modal Header -->
        <div class="modal-header">
          <h4 class="modal-title" id="modal_title"></h4>
          <button type="button" class="close" data-dismiss="modal">&times;</button>
        </div>

        <!-- Modal body -->
        <div class="modal-body">
          <div class="form-group">
            <div class="row">
              <label class="col-md-4 text-right">Grade Name <span class="text-danger">*</span></label>
              <div class="col-md-8">
                <input type="text" name="grade_name" id="grade_name" class="form-control" />
                <span id="error_grade_name" class="text-danger"></span>
              </div>
            </div>
          </div>
        </div>

        <!-- Modal footer -->
        <div class="modal-footer">
          <input type="hidden" name="grade_id" id="grade_id" />
          <input type="hidden" name="action" id="action" value="Add" />
          <input type="submit" name="button_action" id="button_action" class="btn btn-success btn-sm" value="Add" />
          <button type="button" class="btn btn-danger btn-sm" data-dismiss="modal">Close</button>
        </div>

      </div>
    </form>
  </div>
</div>


<div class="modal" id="deleteModal">
  <div class="modal-dialog">
    <div class="modal-content">

      <!-- Modal Header -->
      <div class="modal-header">
        <h4 class="modal-title">Delete Confirmation</h4>
        <button type="button" class="close" data-dismiss="modal">&times;</button>
      </div>

      <!-- Modal body -->
      <div class="modal-body">
        <h3 align="center">Are you sure you want to remove this?</h3>
      </div>

      <!-- Modal footer -->
      <div class="modal-footer">
        <button type="button" name="ok_button" id="ok_button" class="btn btn-primary btn-sm">OK</button>
        <button type="button" class="btn btn-danger btn-sm" data-dismiss="modal">Close</button>
      </div>

    </div>
  </div>
</div>


<script>
$(document).ready(function(){
 var dataTable = $('#grade_table').DataTable({
  "processing":true,
  "serverSide":true,
  "order":[],
  "ajax":{
   url:"grade_action.php",
   type:"POST",
   data:{action:'fetch'}
  },
  "columnDefs":[
   {
    "targets":[0, 1, 2],
    "orderable":false,
   },
  ],
 });

  $('#add_button').click(function(){
    $('#modal_title').text("Add Grade");
    $('#button_action').val('Add');
    $('#action').val('Add');
    $('#formModal').modal('show');
    clear_field();
  });

  function clear_field()
  {
    $('#grade_form')[0].reset();
    $('#error_grade_name').text('');
  }

  $('#grade_form').on('submit', function(event){
    event.preventDefault();
    $.ajax({
      url:"grade_action.php",
      method:"POST",
      data:$(this).serialize(),
      dataType:"json",
      beforeSend:function()
      {
        $('#button_action').attr('disabled', 'disabled');
        $('#button_action').val('Validate...');
      },
      success:function(data){
        $('#button_action').attr('disabled', false);
        $('#button_action').val($('#action').val());
        if(data.success)
        {
          $('#message_operation').html('<div class="alert alert-success">'+data.success+'</div>');
          clear_field();
          dataTable.ajax.reload();
          $('#formModal').modal('hide');
        }
        if(data.error)
        { 
          if(data.error_grade_name != '')
          {
            $('#error_grade_name').text(data.error_grade_name);
          }
          else
          {
            $('#error_grade_name').text('');
          }
        }
      }
    });
  });

  var grade_id = '';

  $(document).on('click', '.edit_grade', function(){
    grade_id = $(this).attr('id');
    clear_field();
    $.ajax({
      url:"grade_action.php",
      method:"POST",
      data:{action:'edit_fetch', grade_id:grade_id},
      dataType:"json",
      success:function(data)
      {
        $('#grade_name').val(data.grade_name);
        $('#grade_id').val(data.grade_id);
        $('#modal_title').text("Edit Grade");
        $('#button_action').val('Edit');
        $('#action').val('Edit');
        $('#formModal').modal('show');
      }
    });
  });

  $(document).on('click', '.delete_grade', function(){
    grade_id = $(this).attr('id');
    $('#deleteModal').modal('show');
  });

  $('#ok_button').click(function(){
    $.ajax({
      url:"grade_action.php",
      method:"POST",
      data:{grade_id:grade_id, action:'delete'},
      success:function(data)
      {
        $('#message_operation').html('<div class="alert alert-success">'+data+'</div>');
        $('#deleteModal').modal('hide');
        dataTable.ajax.reload();
      }
    });
  });

});
</script>


admin/grade_action.php



<?php

//grade_action.php

include('database_connection.php');
session_start();
$output = '';
if(isset($_POST["action"]))
{
 if($_POST["action"] == 'fetch')
 {
  $query = "SELECT * FROM tbl_grade ";
  if(isset($_POST["search"]["value"]))
  {
   $query .= 'WHERE grade_name LIKE "%'.$_POST["search"]["value"].'%" ';
  }
  if(isset($_POST["order"]))
  {
   $query .= 'ORDER BY '.$_POST['order']['0']['column'].' '.$_POST['order']['0']['dir'].' ';
  }
  else
  {
   $query .= 'ORDER BY grade_id DESC ';
  }
  if($_POST["length"] != -1)
  {
   $query .= 'LIMIT ' . $_POST['start'] . ', ' . $_POST['length'];
  }

  $statement = $connect->prepare($query);
  $statement->execute();
  $result = $statement->fetchAll();
  $data = array();
  $filtered_rows = $statement->rowCount();
  foreach($result as $row)
  {
   $sub_array = array();
   $sub_array[] = $row["grade_name"];
   $sub_array[] = '<button type="button" name="edit_grade" class="btn btn-primary btn-sm edit_grade" id="'.$row["grade_id"].'">Edit</button>';
   $sub_array[] = '<button type="button" name="delete_grade" class="btn btn-danger btn-sm delete_grade" id="'.$row["grade_id"].'">Delete</button>';
   $data[] = $sub_array;
  }

  $output = array(
   "draw"    => intval($_POST["draw"]),
   "recordsTotal"  =>  $filtered_rows,
   "recordsFiltered" => get_total_records($connect, 'tbl_grade'),
   "data"    => $data
  );
  echo json_encode($output);
 }

 if($_POST["action"] == 'Add' || $_POST["action"] == "Edit")
 {
  $grade_name = '';
  $error_grade_name = '';
  $error = 0;

  if(empty($_POST["grade_name"]))
  {
   $error_grade_name = 'Grade Name is required';
   $error++;
  }
  else
  {
   $grade_name = $_POST["grade_name"];
  }
  if($error > 0)
  {
   $output = array(
    'error'       => true,
    'error_grade_name'    => $error_grade_name
   );
  }
  else
  {
   if($_POST["action"] == "Add")
   {
    $data = array(
     ':grade_name'    => $grade_name
    );
    $query = "
    INSERT INTO tbl_grade 
    (grade_name) 
    SELECT * FROM (SELECT :grade_name) as temp 
    WHERE NOT EXISTS (
     SELECT grade_name FROM tbl_grade WHERE grade_name = :grade_name
    ) LIMIT 1
    ";
    $statement = $connect->prepare($query);
    if($statement->execute($data))
    {
     if($statement->rowCount() > 0)
     {
      $output = array(
       'success'  => 'Data Added Successfully',
      );
     }
     else
     {
      $output = array(
       'error'     => true,
       'error_grade_name' => 'Grade Name Already Exists'
      );
     }
    }
   }
   if($_POST["action"] == "Edit")
   {
    $data = array(
     ':grade_name'    => $grade_name,
     ':grade_id'     => $_POST["grade_id"]
    );
    $query = "
    UPDATE tbl_grade 
    SET grade_name = :grade_name 
    WHERE grade_id = :grade_id
    ";
    $statement = $connect->prepare($query);
    if($statement->execute($data))
    {
     $output = array(
      'success'  => 'Data Updated Successfully',
     );
    }
   }
  }
  echo json_encode($output);
 }

 if($_POST["action"] == "edit_fetch")
 {
  $query = "SELECT * FROM tbl_grade WHERE grade_id = '".$_POST["grade_id"]."'";
  $statement = $connect->prepare($query);
  if($statement->execute())
  {
   $result = $statement->fetchAll();
   foreach($result as $row)
   {
    $output['grade_name'] = $row["grade_name"];
    $output['grade_id'] = $row['grade_id'];
   }
   echo json_encode($output);
  }
 }

 if($_POST["action"] == "delete")
 {
  $query = "DELETE FROM tbl_grade WHERE grade_id = '".$_POST["grade_id"]."'";
  $statement = $connect->prepare($query);
  if($statement->execute())
  {
   echo 'Data Delete Successfully';
  }
 }
}

?>


Teacher Management


admin/teacher.php



<?php

include('header.php');

?>

<div class="container" style="margin-top:30px">
  <div class="card">
   <div class="card-header">
      <div class="row">
        <div class="col-md-9">Teacher List</div>
        <div class="col-md-3" align="right">
          <button type="button" id="add_button" class="btn btn-info btn-sm">Add</button>
        </div>
      </div>
    </div>
   <div class="card-body">
    <div class="table-responsive">
        <span id="message_operation"></span>
     <table class="table table-striped table-bordered" id="teacher_table">
      <thead>
       <tr>
        <th>Image</th>
        <th>Teacher Name</th>
        <th>Email Address</th>
              <th>Grade</th>
        <th>View</th>
        <th>Edit</th>
        <th>Delete</th>
       </tr>
      </thead>
      <tbody>

      </tbody>
     </table>
    </div>
   </div>
  </div>
</div>

</body>
</html>

<script type="text/javascript" src="https://www.eyecon.ro/bootstrap-datepicker/js/bootstrap-datepicker.js"></script>
<link rel="stylesheet" href="https://www.eyecon.ro/bootstrap-datepicker/css/datepicker.css" />

<style>
    .datepicker {
      z-index: 1600 !important; /* has to be larger than 1050 */
    }
</style>

<div class="modal" id="formModal">
  <div class="modal-dialog">
    <form method="post" id="teacher_form" enctype="multipart/form-data">
      <div class="modal-content">

        <!-- Modal Header -->
        <div class="modal-header">
          <h4 class="modal-title" id="modal_title"></h4>
          <button type="button" class="close" data-dismiss="modal">&times;</button>
        </div>

        <!-- Modal body -->
        <div class="modal-body">
          <div class="form-group">
            <div class="row">
              <label class="col-md-4 text-right">Teacher Name <span class="text-danger">*</span></label>
              <div class="col-md-8">
                <input type="text" name="teacher_name" id="teacher_name" class="form-control" />
                <span id="error_teacher_name" class="text-danger"></span>
              </div>
            </div>
          </div>
          <div class="form-group">
            <div class="row">
              <label class="col-md-4 text-right">Address <span class="text-danger">*</span></label>
              <div class="col-md-8">
                <textarea name="teacher_address" id="teacher_address" class="form-control"></textarea>
                <span id="error_teacher_address" class="text-danger"></span>
              </div>
            </div>
          </div>
          <div class="form-group">
            <div class="row">
              <label class="col-md-4 text-right">Email Address <span class="text-danger">*</span></label>
              <div class="col-md-8">
                <input type="text" name="teacher_emailid" id="teacher_emailid" class="form-control" />
                <span id="error_teacher_emailid" class="text-danger"></span>
              </div>
            </div>
          </div>
          <div class="form-group">
            <div class="row">
              <label class="col-md-4 text-right">Password <span class="text-danger">*</span></label>
              <div class="col-md-8">
                <input type="password" name="teacher_password" id="teacher_password" class="form-control" />
                <span id="error_teacher_password" class="text-danger"></span>
              </div>
            </div>
          </div>
          <div class="form-group">
            <div class="row">
              <label class="col-md-4 text-right">Qualification <span class="text-danger">*</span></label>
              <div class="col-md-8">
                <input type="text" name="teacher_qualification" id="teacher_qualification" class="form-control" />
                <span id="error_teacher_qualification" class="text-danger"></span>
              </div>
            </div>
          </div>
          <div class="form-group">
            <div class="row">
              <label class="col-md-4 text-right">Grade <span class="text-danger">*</span></label>
              <div class="col-md-8">
                <select name="teacher_grade_id" id="teacher_grade_id" class="form-control">
                  <option value="">Select Grade</option>
                  <?php
                  echo load_grade_list($connect);
                  ?>
                </select>
                <span id="error_teacher_grade_id" class="text-danger"></span>
              </div>
            </div>
          </div>
          <div class="form-group">
            <div class="row">
              <label class="col-md-4 text-right">Date of Joining <span class="text-danger">*</span></label>
              <div class="col-md-8">
                <input type="text" name="teacher_doj" id="teacher_doj" class="form-control" />
                <span id="error_teacher_doj" class="text-danger"></span>
              </div>
            </div>
          </div>
          <div class="form-group">
            <div class="row">
              <label class="col-md-4 text-right">Image <span class="text-danger">*</span></label>
              <div class="col-md-8">
                <input type="file" name="teacher_image" id="teacher_image" />
                <span class="text-muted">Only .jpg and .png allowed</span><br />
                <span id="error_teacher_image" class="text-danger"></span>
              </div>
            </div>
          </div>
        </div>

        <!-- Modal footer -->
        <div class="modal-footer">
          <input type="hidden" name="hidden_teacher_image" id="hidden_teacher_image" value="" />
          <input type="hidden" name="teacher_id" id="teacher_id" />
          <input type="hidden" name="action" id="action" value="Add" />
          <input type="submit" name="button_action" id="button_action" class="btn btn-success btn-sm" value="Add" />
          <button type="button" class="btn btn-danger btn-sm" data-dismiss="modal">Close</button>
        </div>

      </div>
    </form>
  </div>
</div>

<div class="modal" id="viewModal">
  <div class="modal-dialog modal-lg">
    <div class="modal-content">

      <!-- Modal Header -->
      <div class="modal-header">
        <h4 class="modal-title">Teacher Details</h4>
        <button type="button" class="close" data-dismiss="modal">&times;</button>
      </div>

      <!-- Modal body -->
      <div class="modal-body" id="teacher_details">

      </div>

      <!-- Modal footer -->
      <div class="modal-footer">
        <button type="button" class="btn btn-danger btn-sm" data-dismiss="modal">Close</button>
      </div>

    </div>
  </div>
</div>


<div class="modal" id="deleteModal">
  <div class="modal-dialog">
    <div class="modal-content">

      <!-- Modal Header -->
      <div class="modal-header">
        <h4 class="modal-title">Delete Confirmation</h4>
        <button type="button" class="close" data-dismiss="modal">&times;</button>
      </div>

      <!-- Modal body -->
      <div class="modal-body">
        <h3 align="center">Are you sure you want to remove this?</h3>
      </div>

      <!-- Modal footer -->
      <div class="modal-footer">
        <button type="button" name="ok_button" id="ok_button" class="btn btn-primary btn-sm">OK</button>
        <button type="button" class="btn btn-danger btn-sm" data-dismiss="modal">Close</button>
      </div>

    </div>
  </div>
</div>


<script>
$(document).ready(function(){
 var dataTable = $('#teacher_table').DataTable({
  "processing":true,
  "serverSide":true,
  "order":[],
  "ajax":{
   url:"teacher_action.php",
   type:"POST",
   data:{action:'fetch'}
  },
  "columnDefs":[
   {
    "targets":[0, 4, 5, 6],
    "orderable":false,
   },
  ],
 });

  $('#teacher_doj').datepicker({
        format: "yyyy-mm-dd",
        autoclose: true,
        container: '#formModal modal-body'
    });

  function clear_field()
  {
    $('#teacher_form')[0].reset();
    $('#error_teacher_name').text('');
    $('#error_teacher_address').text('');
    $('#error_teacher_emailid').text('');
    $('#error_teacher_password').text('');
    $('#error_teacher_qualification').text('');
    $('#error_teacher_doj').text('');
    $('#error_teacher_image').text('');
    $('#error_teacher_grade_id').text('');
  }

  $('#add_button').click(function(){
    $('#modal_title').text("Add Teacher");
    $('#button_action').val('Add');
    $('#action').val('Add');
    $('#formModal').modal('show');
    clear_field();
  });

  $('#teacher_form').on('submit', function(event){
    event.preventDefault();
    $.ajax({
      url:"teacher_action.php",
      method:"POST",
      data:new FormData(this),
      dataType:"json",
      contentType:false,
      processData:false,
      beforeSend:function()
      {        
        $('#button_action').val('Validate...');
        $('#button_action').attr('disabled', 'disabled');
      },
      success:function(data){
        $('#button_action').attr('disabled', false);
        $('#button_action').val($('#action').val());
        if(data.success)
        {
          $('#message_operation').html('<div class="alert alert-success">'+data.success+'</div>');
          clear_field();
          $('#formModal').modal('hide');
          dataTable.ajax.reload();
        }
        if(data.error)
        { 
          if(data.error_teacher_name != '')
          {
            $('#error_teacher_name').text(data.error_teacher_name);
          }
          else
          {
            $('#error_teacher_name').text('');
          }
          if(data.error_teacher_address != '')
          {
            $('#error_teacher_address').text(data.error_teacher_address);
          }
          else
          {
            $('#error_teacher_address').text('');
          }
          if(data.error_teacher_emailid != '')
          {
            $('#error_teacher_emailid').text(data.error_teacher_emailid);
          }
          else
          {
            $('#error_teacher_emailid').text('');
          }
          if(data.error_teacher_password != '')
          {
            $('#error_teacher_password').text(data.error_teacher_password);
          }
          else
          {
            $('#error_teacher_password').text('');
          }
          if(data.error_teacher_grade_id != '')
          {
            $('#error_teacher_grade_id').text(data.error_teacher_grade_id);
          }
          else
          {
            $('#error_teacher_grade_id').text('');
          }
          if(data.error_teacher_qualification != '')
          {
            $('#error_teacher_qualification').text(data.error_teacher_qualification);
          }
          else
          {
            $('#error_teacher_qualification').text('');
          }
          if(data.error_teacher_doj != '')
          {
            $('#error_teacher_doj').text(data.error_teacher_doj);
          }
          else
          {
            $('#error_teacher_doj').text('');
          }
          if(data.error_teacher_image != '')
          {
            $('#error_teacher_image').text(data.error_teacher_image);
          }
          else
          {
            $('#error_teacher_image').text('');
          }
        }
      }
    });
  });

  var teacher_id = '';

  $(document).on('click', '.view_teacher', function(){
    teacher_id = $(this).attr('id');
    $.ajax({
      url:"teacher_action.php",
      method:"POST",
      data:{action:'single_fetch', teacher_id:teacher_id},
      success:function(data)
      {
        $('#viewModal').modal('show');
        $('#teacher_details').html(data);
      }
    });
  });

  $(document).on('click', '.edit_teacher', function(){
    teacher_id = $(this).attr('id');
    clear_field();
    $.ajax({
      url:"teacher_action.php",
      method:"POST",
      data:{action:'edit_fetch', teacher_id:teacher_id},
      dataType:"json",
      success:function(data)
      {
        $('#teacher_name').val(data.teacher_name);
        $('#teacher_address').val(data.teacher_address);
        //$('#teacher_emailid').val(data.teacher_emailid);
        $('#teacher_grade_id').val(data.teacher_grade_id);
        $('#teacher_qualification').val(data.teacher_qualification);
        $('#teacher_doj').val(data.teacher_doj);
        $('#error_teacher_image').html('<img src="teacher_image/'+data.teacher_image+'" class="img-thumbnail" width="50" />');
        $('#hidden_teacher_image').val(data.teacher_image);
        $('#teacher_id').val(data.teacher_id);
        $('#modal_title').text("Edit Teacher");
        $('#button_action').val('Edit');
        $('#action').val('Edit');
        $('#formModal').modal('show');
      }
    });
  });

  $(document).on('click', '.delete_teacher', function(){
    teacher_id = $(this).attr('id');
    $('#deleteModal').modal('show');
  });

  $('#ok_button').click(function(){
    $.ajax({
      url:"teacher_action.php",
      method:"POST",
      data:{teacher_id:teacher_id, action:'delete'},
      success:function(data)
      {
        $('#message_operation').html('<div class="alert alert-success">'+data+'</div>');
        $('#deleteModal').modal('hide');
        dataTable.ajax.reload();
      }
    });
  });

});
</script>


admin/teacher_action.php



<?php

//teacher_action.php

include('database_connection.php');
session_start();
$output = '';
if(isset($_POST["action"]))
{
 if($_POST["action"] == 'fetch')
 {
  $query = "
  SELECT * FROM tbl_teacher 
  INNER JOIN tbl_grade 
  ON tbl_grade.grade_id = tbl_teacher.teacher_grade_id ";
  if(isset($_POST["search"]["value"]))
  {
   $query .= 'WHERE tbl_teacher.teacher_name LIKE "%'.$_POST["search"]["value"].'%" 
      OR tbl_teacher.teacher_emailid LIKE "%'.$_POST["search"]["value"].'%" 
      OR tbl_grade.grade_name LIKE "%'.$_POST["search"]["value"].'%" ';
  }
  if(isset($_POST["order"]))
  {
   $query .= 'ORDER BY '.$_POST['order']['0']['column'].' '.$_POST['order']['0']['dir'].' ';
  }
  else
  {
   $query .= 'ORDER BY tbl_teacher.teacher_id DESC ';
  }
  if($_POST["length"] != -1)
  {
   $query .= 'LIMIT ' . $_POST['start'] . ', ' . $_POST['length'];
  }

  $statement = $connect->prepare($query);
  $statement->execute();
  $result = $statement->fetchAll();
  $data = array();
  $filtered_rows = $statement->rowCount();
  foreach($result as $row)
  {
   $sub_array = array();
   $sub_array[] = '<img src="teacher_image/'.$row["teacher_image"].'" class="img-thumbnail" width="75" />';
   $sub_array[] = $row["teacher_name"];
   $sub_array[] = $row["teacher_emailid"];
   $sub_array[] = $row["grade_name"];
   $sub_array[] = '<button type="button" name="view_teacher" class="btn btn-info btn-sm view_teacher" id="'.$row["teacher_id"].'">View</button>';
   $sub_array[] = '<button type="button" name="edit_teacher" class="btn btn-primary btn-sm edit_teacher" id="'.$row["teacher_id"].'">Edit</button>';
   $sub_array[] = '<button type="button" name="delete_teacher" class="btn btn-danger btn-sm delete_teacher" id="'.$row["teacher_id"].'">Delete</button>';
   $data[] = $sub_array;
  }

  $output = array(
   "draw"    => intval($_POST["draw"]),
   "recordsTotal"  =>  $filtered_rows,
   "recordsFiltered" => get_total_records($connect, 'tbl_teacher'),
   "data"    => $data
  );
  echo json_encode($output);
 }

 if($_POST["action"] == 'Add' || $_POST["action"] == "Edit")
 {
  $teacher_name = '';
  $teacher_address = '';
  $teacher_emailid = '';
  $teacher_password = '';
  $teacher_grade_id = '';
  $teacher_qualification = '';
  $teacher_doj = '';
  $teacher_image = '';
  $error_teacher_name = '';
  $error_teacher_address = '';
  $error_teacher_emailid = '';
  $error_teacher_password = '';
  $error_teacher_grade_id = '';
  $error_teacher_qualification = '';
  $error_teacher_doj = '';
  $error_teacher_image = '';
  $error = 0;

  $teacher_image = $_POST["hidden_teacher_image"];
  if($_FILES["teacher_image"]["name"] != '')
  {
   $file_name = $_FILES["teacher_image"]["name"];
   $tmp_name = $_FILES["teacher_image"]['tmp_name'];
   $extension_array = explode(".", $file_name);
   $extension = strtolower($extension_array[1]);
   $allowed_extension = array('jpg','png');
   if(!in_array($extension, $allowed_extension))
   {
    $error_teacher_image = 'Invalid Image Format';
    $error++;
   }
   else
   {
    $teacher_image = uniqid() . '.' . $extension;
    $upload_path = 'teacher_image/' . $teacher_image;    
    move_uploaded_file($tmp_name, $upload_path);
   } 
  }
  else
  {
   if($teacher_image == '')
   {
    $error_teacher_image = $teacher_image;
    $error++;
   }
  }
  if(empty($_POST["teacher_name"]))
  {
   $error_teacher_name = 'Teacher Name is required';
   $error++;
  }
  else
  {
   $teacher_name = $_POST["teacher_name"];
  }
  if(empty($_POST["teacher_address"]))
  {
   $error_teacher_address = 'Teacher Address is required';
   $error++;
  }
  else
  {
   $teacher_address = $_POST["teacher_address"];
  }
  if($_POST["action"] == "Add")
  {
   if(empty($_POST["teacher_emailid"]))
   {
    $error_teacher_emailid = 'Email Address is required';
    $error++;
   }
   else
   {
    if (!filter_var($_POST["teacher_emailid"], FILTER_VALIDATE_EMAIL))
    {
          $error_teacher_emailid = "Invalid email format"; 
          $error++;
       }
       else
       {
     $teacher_emailid = $_POST["teacher_emailid"];
    }
   }
  
   if(empty($_POST["teacher_password"]))
   {
    $error_teacher_password = 'Password is required';
    $error++;
   }
   else
   {
    $teacher_password = $_POST["teacher_password"];
   }
  }

  if(empty($_POST["teacher_grade_id"]))
  {
   $error_teacher_grade_id = 'Grade is required';
    $error++;
  }
  else
  {
   $teacher_grade_id = $_POST["teacher_grade_id"];
  }

  if(empty($_POST["teacher_qualification"]))
  {
   $error_teacher_qualification = 'Qualification Field is required';
   $error++;
  }
  else
  {
   $teacher_qualification = $_POST["teacher_qualification"];
  }
  if(empty($_POST["teacher_doj"]))
  {
   $error_teacher_doj = 'Date of Join Field is required';
   $error++;
  }
  else
  {
   $teacher_doj = $_POST["teacher_doj"];
  }
  if($error > 0)
  {
   $output = array(
    'error'       => true,
    'error_teacher_name'   => $error_teacher_name,
    'error_teacher_address'   => $error_teacher_address,
    'error_teacher_emailid'   => $error_teacher_emailid,
    'error_teacher_password'  => $error_teacher_password,
    'error_teacher_grade_id'  => $error_teacher_grade_id,
    'error_teacher_qualification' => $error_teacher_qualification,
    'error_teacher_doj'    => $error_teacher_doj,
    'error_teacher_image'   => $error_teacher_image
   );
  }
  else
  {
   if($_POST["action"] == "Add")
   {
    $data = array(
     ':teacher_name'    => $teacher_name,
     ':teacher_address'   => $teacher_address,
     ':teacher_emailid'   => $teacher_emailid,
     ':teacher_password'   => password_hash($teacher_password, PASSWORD_DEFAULT),
     ':teacher_qualification' => $teacher_qualification,
     ':teacher_doj'    => $teacher_doj,
     ':teacher_image'   => $teacher_image,
     ':teacher_grade_id'   => $teacher_grade_id
    );
    $query = "
    INSERT INTO tbl_teacher 
    (teacher_name, teacher_address, teacher_emailid, teacher_password, teacher_qualification, teacher_doj, teacher_image, teacher_grade_id) 
    SELECT * FROM (SELECT :teacher_name, :teacher_address, :teacher_emailid, :teacher_password, :teacher_qualification, :teacher_doj, :teacher_image, :teacher_grade_id) as temp 
    WHERE NOT EXISTS (
     SELECT teacher_emailid FROM tbl_teacher WHERE teacher_emailid = :teacher_emailid
    ) LIMIT 1
    ";
    $statement = $connect->prepare($query);
    if($statement->execute($data))
    {
     if($statement->rowCount() > 0)
     {
      $output = array(
       'success'  => 'Data Added Successfully',
      );
     }
     else
     {
      $output = array(
       'error'     => true,
       'error_teacher_emailid' => 'Email Already Exists'
      );
     }
    }
   }
   if($_POST["action"] == "Edit")
   {
    $data = array(
     ':teacher_name'    => $teacher_name,
     ':teacher_address'   => $teacher_address,
     ':teacher_qualification' => $teacher_qualification,
     ':teacher_doj'    => $teacher_doj,
     ':teacher_image'   => $teacher_image,
     ':teacher_grade_id'   => $teacher_grade_id,
     ':teacher_id'    => $_POST["teacher_id"]
    );
    $query = "
    UPDATE tbl_teacher 
    SET teacher_name = :teacher_name, 
    teacher_address = :teacher_address,  
    teacher_grade_id = :teacher_grade_id, 
    teacher_qualification = :teacher_qualification, 
    teacher_doj = :teacher_doj, 
    teacher_image = :teacher_image
    WHERE teacher_id = :teacher_id
    ";
    $statement = $connect->prepare($query);
    if($statement->execute($data))
    {
     $output = array(
      'success'  => 'Data Edited Successfully',
     );
    }
   }
  }
  echo json_encode($output);
 }

 if($_POST["action"] == 'single_fetch')
 {
  $query = "
  SELECT * FROM tbl_teacher 
  INNER JOIN tbl_grade 
  ON tbl_grade.grade_id = tbl_teacher.teacher_grade_id 
  WHERE tbl_teacher.teacher_id = '".$_POST["teacher_id"]."'";
  $statement = $connect->prepare($query);
  if($statement->execute())
  {
   $result = $statement->fetchAll();
   $output = '
   <div class="row">
   ';
   foreach($result as $row)
   {
    $output .= '
    <div class="col-md-3">
     <img src="teacher_image/'.$row["teacher_image"].'" class="img-thumbnail" />
    </div>
    <div class="col-md-9">
     <table class="table">
      <tr>
       <th>Name</th>
       <td>'.$row["teacher_name"].'</td>
      </tr>
      <tr>
       <th>Address</th>
       <td>'.$row["teacher_address"].'</td>
      </tr>
      <tr>
       <th>Email Address</th>
       <td>'.$row["teacher_emailid"].'</td>
      </tr>
      <tr>
       <th>Qualification</th>
       <td>'.$row["teacher_qualification"].'</td>
      </tr>
      <tr>
       <th>Date of Joining</th>
       <td>'.$row["teacher_doj"].'</td>
      </tr>
      <tr>
       <th>Grade</th>
       <td>'.$row["grade_name"].'</td>
      </tr>
     </table>
    </div>
    ';
   }
   $output .= '</div>';
   echo $output;
  }
 }

 if($_POST["action"] == "edit_fetch")
 {
  $query = "SELECT * FROM tbl_teacher WHERE teacher_id = '".$_POST["teacher_id"]."'";
  $statement = $connect->prepare($query);
  if($statement->execute())
  {
   $result = $statement->fetchAll();
   foreach($result as $row)
   {
    $output['teacher_name'] = $row["teacher_name"];
    $output['teacher_address'] = $row['teacher_address'];
    //$output['teacher_emailid'] = $row['teacher_emailid'];
    $output['teacher_qualification'] = $row['teacher_qualification'];
    $output['teacher_doj'] = $row['teacher_doj'];
    $output['teacher_image'] = $row['teacher_image'];
    $output['teacher_grade_id'] = $row['teacher_grade_id'];
    $output['teacher_id'] = $row['teacher_id'];
   }
   echo json_encode($output);
  }
 }

 if($_POST["action"] == "delete")
 {
  $query = "DELETE FROM tbl_teacher WHERE teacher_id = '".$_POST["teacher_id"]."'";
  $statement = $connect->prepare($query);
  if($statement->execute())
  {
   echo 'Data Delete Successfully';
  }
 }
}

?>


Student Management


admin/student.php



<?php

include('header.php');

?>

<div class="container" style="margin-top:30px">
  <div class="card">
   <div class="card-header">
      <div class="row">
        <div class="col-md-9">Student List</div>
        <div class="col-md-3" align="right">
          <button type="button" id="add_button" class="btn btn-info btn-sm">Add</button>
        </div>
      </div>
    </div>
   <div class="card-body">
    <div class="table-responsive">
        <span id="message_operation"></span>
     <table class="table table-striped table-bordered" id="student_table">
      <thead>
       <tr>
        <th>Student Name</th>
        <th>Roll No.</th>
        <th>Date of Birth</th>
              <th>Grade</th>
        <th>Edit</th>
        <th>Delete</th>
       </tr>
      </thead>
      <tbody>

      </tbody>
     </table>
    </div>
   </div>
  </div>
</div>

</body>
</html>

<script type="text/javascript" src="https://www.eyecon.ro/bootstrap-datepicker/js/bootstrap-datepicker.js"></script>
<link rel="stylesheet" href="https://www.eyecon.ro/bootstrap-datepicker/css/datepicker.css" />

<style>
    .datepicker {
      z-index: 1600 !important; /* has to be larger than 1050 */
    }
</style>

<div class="modal" id="formModal">
  <div class="modal-dialog">
    <form method="post" id="student_form">
      <div class="modal-content">

        <!-- Modal Header -->
        <div class="modal-header">
          <h4 class="modal-title" id="modal_title"></h4>
          <button type="button" class="close" data-dismiss="modal">&times;</button>
        </div>

        <!-- Modal body -->
        <div class="modal-body">
          <div class="form-group">
            <div class="row">
              <label class="col-md-4 text-right">Student Name <span class="text-danger">*</span></label>
              <div class="col-md-8">
                <input type="text" name="student_name" id="student_name" class="form-control" />
                <span id="error_student_name" class="text-danger"></span>
              </div>
            </div>
          </div>
          <div class="form-group">
            <div class="row">
              <label class="col-md-4 text-right">Roll No. <span class="text-danger">*</span></label>
              <div class="col-md-8">
                <input type="text" name="student_roll_number" id="student_roll_number" class="form-control" />
                <span id="error_student_roll_number" class="text-danger"></span>
              </div>
            </div>
          </div>
          <div class="form-group">
            <div class="row">
              <label class="col-md-4 text-right">Date of Birth <span class="text-danger">*</span></label>
              <div class="col-md-8">
                <input type="text" name="student_dob" id="student_dob" class="form-control" />
                <span id="error_student_dob" class="text-danger"></span>
              </div>
            </div>
          </div>
          <div class="form-group">
            <div class="row">
              <label class="col-md-4 text-right">Grade <span class="text-danger">*</span></label>
              <div class="col-md-8">
                <select name="student_grade_id" id="student_grade_id" class="form-control">
                  <option value="">Select Grade</option>
                  <?php
                  echo load_grade_list($connect);
                  ?>
                </select>
                <span id="error_student_grade_id" class="text-danger"></span>
              </div>
            </div>
          </div>
        </div>

        <!-- Modal footer -->
        <div class="modal-footer">
          <input type="hidden" name="student_id" id="student_id" />
          <input type="hidden" name="action" id="action" value="Add" />
          <input type="submit" name="button_action" id="button_action" class="btn btn-success btn-sm" value="Add" />
          <button type="button" class="btn btn-danger btn-sm" data-dismiss="modal">Close</button>
        </div>

      </div>
    </form>
  </div>
</div>

<div class="modal" id="deleteModal">
  <div class="modal-dialog">
    <div class="modal-content">

      <!-- Modal Header -->
      <div class="modal-header">
        <h4 class="modal-title">Delete Confirmation</h4>
        <button type="button" class="close" data-dismiss="modal">&times;</button>
      </div>

      <!-- Modal body -->
      <div class="modal-body">
        <h3 align="center">Are you sure you want to remove this?</h3>
      </div>

      <!-- Modal footer -->
      <div class="modal-footer">
        <button type="button" name="ok_button" id="ok_button" class="btn btn-primary btn-sm">OK</button>
        <button type="button" class="btn btn-danger btn-sm" data-dismiss="modal">Close</button>
      </div>

    </div>
  </div>
</div>


<script>
$(document).ready(function(){
 var dataTable = $('#student_table').DataTable({
  "processing":true,
  "serverSide":true,
  "order":[],
  "ajax":{
   url:"student_action.php",
   type:"POST",
   data:{action:'fetch'}
  },
  "columnDefs":[
   {
    "targets":[4, 5],
    "orderable":false,
   },
  ],
 });

  $('#student_dob').datepicker({
        format: "yyyy-mm-dd",
        autoclose: true,
        container: '#formModal modal-body'
    });

  function clear_field()
  {
    $('#student_form')[0].reset();
    $('#error_student_name').text('');
    $('#error_student_roll_number').text('');
    $('#error_student_dob').text('');
    $('#error_student_grade_id').text('');
  }

  $('#add_button').click(function(){
    $('#modal_title').text("Add Student");
    $('#button_action').val('Add');
    $('#action').val('Add');
    $('#formModal').modal('show');
    clear_field();
  });

  

  $('#student_form').on('submit', function(event){
    event.preventDefault();
    $.ajax({
      url:"student_action.php",
      method:"POST",
      data:$(this).serialize(),
      dataType:"json",
      beforeSend:function()
      {
        $('#button_action').attr('disabled', 'disabled');
        $('#button_action').val('Validate...');
      },
      success:function(data){
        $('#button_action').attr('disabled', false);
        $('#button_action').val($('#action').val());
        if(data.success)
        {
          $('#message_operation').html('<div class="alert alert-success">'+data.success+'</div>');
          clear_field();
          $('#formModal').modal('hide');
          dataTable.ajax.reload();
        }
        if(data.error)
        { 
          if(data.error_student_name != '')
          {
            $('#error_student_name').text(data.error_student_name);
          }
          else
          {
            $('#error_student_name').text('');
          }
          if(data.error_student_roll_number != '')
          {
            $('#error_student_roll_number').text(data.error_student_roll_number);
          }
          else
          {
            $('#error_student_roll_number').text('');
          }
          if(data.error_student_dob != '')
          {
            $('#error_student_dob').text(data.error_student_dob);
          }
          else
          {
            $('#error_student_dob').text('');
          }
          if(data.error_student_grade_id != '')
          {
            $('#error_student_grade_id').text(data.error_student_grade_id);
          }
          else
          {
            $('#error_student_grade_id').text('');
          }
        }
      }
    });
  });

  var student_id = '';

  $(document).on('click', '.edit_student', function(){
    student_id = $(this).attr('id');
    clear_field();
    $.ajax({
      url:"student_action.php",
      method:"POST",
      data:{action:'edit_fetch', student_id:student_id},
      dataType:"json",
      success:function(data)
      {
        $('#student_name').val(data.student_name);
        $('#student_roll_number').val(data.student_roll_number);
        $('#student_dob').val(data.student_dob);
        //$('#teacher_qualification').val(data.teacher_qualification);
        //$('#teacher_doj').val(data.teacher_doj);
        $('#student_grade_id').val(data.student_grade_id);
        $('#student_id').val(data.student_id);
        $('#modal_title').text("Edit Student");
        $('#button_action').val('Edit');
        $('#action').val('Edit');
        $('#formModal').modal('show');
      }
    });
  });

  $(document).on('click', '.delete_student', function(){
    student_id = $(this).attr('id');
    $('#deleteModal').modal('show');
  });

  $('#ok_button').click(function(){
    $.ajax({
      url:"student_action.php",
      method:"POST",
      data:{student_id:student_id, action:'delete'},
      success:function(data)
      {
        $('#message_operation').html('<div class="alert alert-success">'+data+'</div>');
        $('#deleteModal').modal('hide');
        dataTable.ajax.reload();
      }
    });
  });

});
</script>


admin/student_action.php



<?php

//student_action.php

include('database_connection.php');
session_start();
$output = '';
if(isset($_POST["action"]))
{
 if($_POST["action"] == 'fetch')
 {
  $query = "
  SELECT * FROM tbl_student 
  INNER JOIN tbl_grade 
  ON tbl_grade.grade_id = tbl_student.student_grade_id ";
  if(isset($_POST["search"]["value"]))
  {
   $query .= 'WHERE tbl_student.student_name LIKE "%'.$_POST["search"]["value"].'%" 
      OR tbl_student.student_roll_number LIKE "%'.$_POST["search"]["value"].'%" 
      OR tbl_student.student_dob LIKE "%'.$_POST["search"]["value"].'%" 
      OR tbl_grade.grade_name LIKE "%'.$_POST["search"]["value"].'%" ';
  }
  if(isset($_POST["order"]))
  {
   $query .= 'ORDER BY '.$_POST['order']['0']['column'].' '.$_POST['order']['0']['dir'].' ';
  }
  else
  {
   $query .= 'ORDER BY tbl_student.student_id DESC ';
  }
  if($_POST["length"] != -1)
  {
   $query .= 'LIMIT ' . $_POST['start'] . ', ' . $_POST['length'];
  }

  $statement = $connect->prepare($query);
  $statement->execute();
  $result = $statement->fetchAll();
  $data = array();
  $filtered_rows = $statement->rowCount();
  foreach($result as $row)
  {
   $sub_array = array();
   $sub_array[] = $row["student_name"];
   $sub_array[] = $row["student_roll_number"];
   $sub_array[] = $row["student_dob"];
   $sub_array[] = $row["grade_name"];
   $sub_array[] = '<button type="button" name="edit_student" class="btn btn-primary btn-sm edit_student" id="'.$row["student_id"].'">Edit</button>';
   $sub_array[] = '<button type="button" name="delete_student" class="btn btn-danger btn-sm delete_student" id="'.$row["student_id"].'">Delete</button>';
   $data[] = $sub_array;
  }

  $output = array(
   "draw"    => intval($_POST["draw"]),
   "recordsTotal"  =>  $filtered_rows,
   "recordsFiltered" => get_total_records($connect, 'tbl_student'),
   "data"    => $data
  );
  echo json_encode($output);
 }

 if($_POST["action"] == 'Add' || $_POST["action"] == "Edit")
 {
  $student_name = '';
  $student_roll_number = '';
  $student_dob = '';
  $student_grade_id = '';
  $error_student_name = '';
  $error_student_roll_number = '';
  $error_student_dob = '';
  $error_student_grade_id = '';
  $error = 0;

  
  if(empty($_POST["student_name"]))
  {
   $error_student_name = 'Student Name is required';
   $error++;
  }
  else
  {
   $student_name = $_POST["student_name"];
  }
  if(empty($_POST["student_roll_number"]))
  {
   $error_student_roll_number = 'Student Roll Number is required';
   $error++;
  }
  else
  {
   $student_roll_number = $_POST["student_roll_number"];
  }
  if(empty($_POST["student_dob"]))
  {
   $error_student_dob = 'Student Date of Birth is required';
   $error++;
  }
  else
  {
   $student_dob = $_POST["student_dob"];
  }
  if(empty($_POST["student_grade_id"]))
  {
   $error_student_grade_id = 'Grade is required';
   $error++;
  }
  else
  {
   $student_grade_id = $_POST["student_grade_id"];
  }
  
  if($error > 0)
  {
   $output = array(
    'error'       => true,
    'error_student_name'   => $error_student_name,
    'error_student_roll_number'  => $error_student_roll_number,
    'error_student_dob'    => $error_student_dob,
    'error_student_grade_id'  => $error_student_grade_id
   );
  }
  else
  {
   if($_POST["action"] == "Add")
   {
    $data = array(
     ':student_name'    => $student_name,
     ':student_roll_number'  => $student_roll_number,
     ':student_dob'    => $student_dob,
     ':student_grade_id'   => $student_grade_id
    );
    $query = "
    INSERT INTO tbl_student 
    (student_name, student_roll_number, student_dob, student_grade_id) 
    VALUES (:student_name, :student_roll_number, :student_dob, :student_grade_id)
    ";
    $statement = $connect->prepare($query);
    if($statement->execute($data))
    {
     $output = array(
      'success'  => 'Data Added Successfully',
     );
    }
   }
   if($_POST["action"] == "Edit")
   {
    $data = array(
     ':student_name'    => $student_name,
     ':student_roll_number'  => $student_roll_number,
     ':student_dob'    => $student_dob,
     ':student_grade_id'   => $student_grade_id,
     ':student_id'    => $_POST["student_id"]
    );
    $query = "
    UPDATE tbl_student 
    SET student_name = :student_name, 
    student_roll_number = :student_roll_number, 
    student_dob = :student_dob, 
    student_grade_id = :student_grade_id 
    WHERE student_id = :student_id
    ";
    $statement = $connect->prepare($query);
    if($statement->execute($data))
    {
     $output = array(
      'success'  => 'Data Edited Successfully',
     );
    }
   }
  }
  echo json_encode($output);
 }

 if($_POST["action"] == "edit_fetch")
 {
  $query = "SELECT * FROM tbl_student WHERE student_id = '".$_POST["student_id"]."'";
  $statement = $connect->prepare($query);
  if($statement->execute())
  {
   $result = $statement->fetchAll();
   foreach($result as $row)
   {
    $output['student_name'] = $row["student_name"];
    $output['student_roll_number'] = $row['student_roll_number'];
    $output['student_dob'] = $row['student_dob'];
    $output['student_grade_id'] = $row['student_grade_id'];
    $output['student_id'] = $row['student_id'];
   }
   echo json_encode($output);
  }
 }

 if($_POST["action"] == "delete")
 {
  $query = "
  DELETE FROM tbl_student 
  WHERE student_id = '".$_POST["student_id"]."'";
  $statement = $connect->prepare($query);
  if($statement->execute())
  {
   echo 'Data Delete Successfully';
  }
 }
}

?>


Teacher Login


login.php



<?php

//login.php

include('admin/database_connection.php');

session_start();

if(isset($_SESSION["teacher_id"]))
{
  header('location:index.php');
}

?>

<!DOCTYPE html>
<html lang="en">
<head>
  <title>Student Attendance System in PHP using Ajax</title>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css">
  <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.0/jquery.min.js"></script>
  <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.7/umd/popper.min.js"></script>
  <script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.min.js"></script>
</head>
<body>

<div class="jumbotron text-center" style="margin-bottom:0">
  <h1>Student Attendance System</h1>
</div>


<div class="container">
  <div class="row">
    <div class="col-md-4">

    </div>
    <div class="col-md-4" style="margin-top:20px;">
      <div class="card">
        <div class="card-header">Teacher Login</div>
        <div class="card-body">
          <form method="post" id="teacher_login_form">
            <div class="form-group">
              <label>Enter Email Address</label>
              <input type="text" name="teacher_emailid" id="teacher_emailid" class="form-control" />
              <span id="error_teacher_emailid" class="text-danger"></span>
            </div>
            <div class="form-group">
              <label>Enter Password</label>
              <input type="password" name="teacher_password" id="teacher_password" class="form-control" />
              <span id="error_teacher_password" class="text-danger"></span>
            </div>
            <div class="form-group">
              <input type="submit" name="teacher_login" id="teacher_login" class="btn btn-info" value="Login" />
            </div>
          </form>
        </div>
      </div>
    </div>
    <div class="col-md-4">

    </div>
  </div>
</div>

</body>
</html>

<script>
$(document).ready(function(){
  $('#teacher_login_form').on('submit', function(event){
    event.preventDefault();
    $.ajax({
      url:"check_teacher_login.php",
      method:"POST",
      data:$(this).serialize(),
      dataType:"json",
      beforeSend:function()
      {
        $('#teacher_login').val('Validate...');
        $('#teacher_login').attr('disabled', 'disabled');
      },
      success:function(data)
      {
        if(data.success)
        {
          location.href = "index.php";
        }
        if(data.error)
        {
          $('#teacher_login').val('Login');
          $('#teacher_login').attr('disabled', false);
          if(data.error_teacher_emailid != '')
          {
            $('#error_teacher_emailid').text(data.error_teacher_emailid);
          }
          else
          {
            $('#error_teacher_emailid').text('');
          }
          if(data.error_teacher_password != '')
          {
            $('#error_teacher_password').text(data.error_teacher_password);
          }
          else
          {
            $('#error_teacher_password').text('');
          }
        }
      }
    })
  });
});
</script>


check_teacher_login.php



<?php

//check_teacher_login.php

include('admin/database_connection.php');
session_start();
sleep(1);
$teacher_emailid = '';
$teacher_password = '';
$error_teacher_emailid = '';
$error_teacher_password = '';
$error = 0;

if(empty($_POST["teacher_emailid"]))
{
 $error_teacher_emailid = 'Email Address is required';
 $error++;
}
else
{
 $teacher_emailid = $_POST["teacher_emailid"];
}
if(empty($_POST["teacher_password"]))
{
 $error_teacher_password = 'Password is required';
 $error++;
}
else
{
 $teacher_password = $_POST["teacher_password"];
}

if($error == 0)
{
 $query = "
 SELECT * FROM tbl_teacher 
 WHERE teacher_emailid = '".$teacher_emailid."'
 ";
 $statement = $connect->prepare($query);
 if($statement->execute())
 { 
  $total_row = $statement->rowCount();
  if($total_row > 0)
  {
   $result = $statement->fetchAll();
   foreach($result as $row)
   {
    if(password_verify($teacher_password, $row["teacher_password"]))
       {
         $_SESSION['teacher_id'] = $row['teacher_id'];
       }
       else
       {
        $error_teacher_password = "Wrong Password";
        $error++;
       }
   }
  }
  else
  {
   $error_teacher_emailid = 'Wrong Email Address';
   $error++;
  }
 }
}

if($error > 0)
{
 $output = array(
  'error'     => true,
  'error_teacher_emailid' => $error_teacher_emailid,
  'error_teacher_password' => $error_teacher_password
 );
}
else
{
 $output = array(
  'success'  => true
 );
}

echo json_encode($output);

?>


header.php



<?php

include('admin/database_connection.php');

session_start();

if(!isset($_SESSION["teacher_id"]))
{
  header("location:login.php");
}

?>
<!DOCTYPE html>
<html lang="en">
<head>
  <title>Student Attendance System in PHP using Ajax</title>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <link rel="stylesheet" href="css/bootstrap.min.css">
  <link rel="stylesheet" href="css/dataTables.bootstrap4.min.css">
  <script src="js/jquery.min.js"></script>
  <script src="js/popper.min.js"></script>
  <script src="js/bootstrap.min.js"></script>
  <script src="js/jquery.dataTables.min.js"></script>
  <script src="js/dataTables.bootstrap4.min.js"></script>
</head>
<body>

<div class="jumbotron-small text-center" style="margin-bottom:0">
  <h1>Student Attendance System</h1>
</div>

<nav class="navbar navbar-expand-sm bg-dark navbar-dark">
  <a class="navbar-brand" href="index.php">Home</a>
  <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#collapsibleNavbar">
    <span class="navbar-toggler-icon"></span>
  </button>
  <div class="collapse navbar-collapse" id="collapsibleNavbar">
    <ul class="navbar-nav">
      <li class="nav-item">
        <a class="nav-link" href="profile.php">Profile</a>
      </li>
      <li class="nav-item">
        <a class="nav-link" href="attendance.php">Attendance</a>
      </li>
      <li class="nav-item">
        <a class="nav-link" href="logout.php">Logout</a>
      </li>  
    </ul>
  </div>  
</nav>


index.php



<?php

include('header.php');

?>

<div class="container" style="margin-top:30px">
  <div class="card">
   <div class="card-header">
      <div class="row">
        <div class="col-md-9">Overall Student Attendance Status</div>
        <div class="col-md-3" align="right">
          
        </div>
      </div>
    </div>
   <div class="card-body">
    <div class="table-responsive">
        <span id="message_operation"></span>
     <table class="table table-striped table-bordered" id="student_table">
      <thead>
       <tr>
        <th>Student Name</th>
        <th>Roll Number</th>
        <th>Grade</th>
              <th>Attendance Percentage</th>
              <th>Report</th>
       </tr>
      </thead>
      <tbody>

      </tbody>
     </table>
    </div>
   </div>
  </div>
</div>

</body>
</html>

<script type="text/javascript" src="js/bootstrap-datepicker.js"></script>
<link rel="stylesheet" href="css/datepicker.css" />

<style>
    .datepicker
    {
      z-index: 1600 !important; /* has to be larger than 1050 */
    }
</style>

<div class="modal" id="formModal">
  <div class="modal-dialog">
    <div class="modal-content">

      <!-- Modal Header -->
      <div class="modal-header">
        <h4 class="modal-title">Make Report</h4>
        <button type="button" class="close" data-dismiss="modal">&times;</button>
      </div>

      <!-- Modal body -->
      <div class="modal-body">
        <div class="form-group">
          <div class="input-daterange">
            <input type="text" name="from_date" id="from_date" class="form-control" placeholder="From Date" readonly />
            <span id="error_from_date" class="text-danger"></span>
            <br />
            <input type="text" name="to_date" id="to_date" class="form-control" placeholder="To Date" readonly />
            <span id="error_to_date" class="text-danger"></span>
          </div>
        </div>
      </div>
      <!-- Modal footer -->
      <div class="modal-footer">
        <input type="hidden" name="student_id" id="student_id" />
        <button type="button" name="create_report" id="create_report" class="btn btn-success btn-sm">Create Report</button>
        <button type="button" class="btn btn-danger btn-sm" data-dismiss="modal">Close</button>
      </div>

    </div>
  </div>
</div>

<script>
$(document).ready(function(){
 var dataTable = $('#student_table').DataTable({
  "processing":true,
  "serverSide":true,
  "order":[],
  "ajax":{
   url:"attendance_action.php",
   type:"POST",
   data:{action:'index_fetch'}
  }
 });

  $('.input-daterange').datepicker({
    todayBtn: "linked",
    format: "yyyy-mm-dd",
    autoclose: true,
    container: '#formModal modal-body'
  });

  $(document).on('click', '.report_button', function(){
    var student_id = $(this).attr('id');
    $('#student_id').val(student_id);
    $('#formModal').modal('show');
  });

  $('#create_report').click(function(){
    var student_id = $('#student_id').val();
    var from_date = $('#from_date').val();
    var to_date = $('#to_date').val();
    var error = 0;
    if(from_date == '')
    {
      $('#error_from_date').text('From Date is Required');
      error++;
    }
    else
    {
      $('#error_from_date').text('');
    }
    if(to_date == '')
    {
      $('#error_to_date').text('To Date is Required');
      error++;
    }
    else
    {
      $('#error_to_date').text('');
    }
    if(error == 0)
    {
      $('#from_date').val('');
      $('#to_date').val('');
      $('#formModal').modal('hide');
      window.open("report.php?action=student_report&student_id="+student_id+"&from_date="+from_date+"&to_date="+to_date);
    }
  });

});
</script>


logout.php



<?php

//logout.php

session_start();

session_destroy();

header('location:login.php');

?>


Teacher Profile


profile.php



<?php

//profile.php

include('header.php');

$teacher_name = '';
$teacher_address = '';
$teacher_emailid = '';
$teacher_password = '';
$teacher_grade_id = '';
$teacher_qualification = '';
$teacher_doj = '';
$teacher_image = '';
$error_teacher_name = '';
$error_teacher_address = '';
$error_teacher_emailid = '';
$error_teacher_grade_id = '';
$error_teacher_qualification = '';
$error_teacher_doj = '';
$error_teacher_image = '';
$error = 0;
$success = '';

if(isset($_POST["button_action"]))
{
  $teacher_image = $_POST["hidden_teacher_image"];
  if($_FILES["teacher_image"]["name"] != '')
  {
    $file_name = $_FILES["teacher_image"]["name"];
    $tmp_name = $_FILES["teacher_image"]['tmp_name'];
    $extension_array = explode(".", $file_name);
    $extension = strtolower($extension_array[1]);
    $allowed_extension = array('jpg','png');
    if(!in_array($extension, $allowed_extension))
    {
      $error_teacher_image = 'Invalid Image Format';
      $error++;
    }
    else
    {
      $teacher_image = uniqid() . '.' . $extension;
      $upload_path = 'admin/teacher_image/' . $teacher_image;       
      move_uploaded_file($tmp_name, $upload_path);
    } 
  }

  if(empty($_POST["teacher_name"]))
  {
    $error_teacher_name = 'Teacher Name is required';
    $error++;
  }
  else
  {
    $teacher_name = $_POST["teacher_name"];
  }
  if(empty($_POST["teacher_address"]))
  {
    $error_teacher_address = 'Teacher Address is required';
    $error++;
  }
  else
  {
    $teacher_address = $_POST["teacher_address"];
  }
  if(empty($_POST["teacher_emailid"]))
  {
    $error_teacher_emailid = 'Email Address is required';
    $error++;
  }
  else
  {
    if (!filter_var($_POST["teacher_emailid"], FILTER_VALIDATE_EMAIL))
    {
      $error_teacher_emailid = "Invalid email format"; 
      $error++;
    }
    else
    {
      $teacher_emailid = $_POST["teacher_emailid"];
    }
  }
      
  if(!empty($_POST["teacher_password"]))
  {
    $teacher_password = $_POST["teacher_password"];
  }

  if(empty($_POST["teacher_grade_id"]))
  {
    $error_teacher_grade_id = 'Grade is required';
    $error++;
  }
  else
  {
    $teacher_grade_id = $_POST["teacher_grade_id"];
  }

  if(empty($_POST["teacher_qualification"]))
  {
    $error_teacher_qualification = 'Qualification Field is required';
    $error++;
  }
  else
  {
    $teacher_qualification = $_POST["teacher_qualification"];
  }
  if(empty($_POST["teacher_doj"]))
  {
    $error_teacher_doj = 'Date of Join Field is required';
    $error++;
  }
  else
  {
    $teacher_doj = $_POST["teacher_doj"];
  }
  if($error == 0)
  {
    if($teacher_password != "")
    {
      $data = array(
        ':teacher_name'           =>  $teacher_name,
        ':teacher_address'        =>  $teacher_address,
        ':teacher_emailid'        =>  $teacher_emailid,
        ':teacher_password'       =>  password_hash($teacher_password, PASSWORD_DEFAULT),
        ':teacher_qualification'  =>  $teacher_qualification,
        ':teacher_doj'            =>  $teacher_doj,
        ':teacher_image'          =>  $teacher_image,
        ':teacher_grade_id'       =>  $teacher_grade_id,
        ':teacher_id'             =>  $_POST["teacher_id"]
      );

      $query = "
      UPDATE tbl_teacher 
      SET teacher_name = :teacher_name, 
      teacher_address = :teacher_address, 
      teacher_emailid = :teacher_emailid, 
      teacher_password = :teacher_password, 
      teacher_grade_id = :teacher_grade_id, 
      teacher_qualification = :teacher_qualification, 
      teacher_doj = :teacher_doj, 
      teacher_image = :teacher_image 
      WHERE teacher_id = :teacher_id
      ";

    }
    else
    {
      $data = array(
        ':teacher_name'           =>  $teacher_name,
        ':teacher_address'        =>  $teacher_address,
        ':teacher_emailid'        =>  $teacher_emailid,
        ':teacher_qualification'  =>  $teacher_qualification,
        ':teacher_doj'            =>  $teacher_doj,
        ':teacher_image'          =>  $teacher_image,
        ':teacher_grade_id'       =>  $teacher_grade_id,
        ':teacher_id'             =>  $_POST["teacher_id"]
      );
      $query = "
      UPDATE tbl_teacher 
      SET teacher_name = :teacher_name, 
      teacher_address = :teacher_address, 
      teacher_emailid = :teacher_emailid, 
      teacher_grade_id = :teacher_grade_id, 
      teacher_qualification = :teacher_qualification, 
      teacher_doj = :teacher_doj, 
      teacher_image = :teacher_image 
      WHERE teacher_id = :teacher_id
      ";
    }

    $statement = $connect->prepare($query);
    if($statement->execute($data))
    {
      $success = '<div class="alert alert-success">Profile Details Change Successfully</div>';
    }
  }
}

$query = "
SELECT * FROM tbl_teacher 
WHERE teacher_id = '".$_SESSION["teacher_id"]."'
";
$statement = $connect->prepare($query);
$statement->execute();
$result = $statement->fetchAll();

?>

<div class="container" style="margin-top:30px">
  <span id="message_operation"><?php echo $success; ?></span>
  <div class="card">
    <form method="post" id="profile_form" enctype="multipart/form-data">
     <div class="card-header">
        <div class="row">
          <div class="col-md-9">Profile</div>
          <div class="col-md-3" align="right">
            
          </div>
        </div>
      </div>
     <div class="card-body">
      <div class="form-group">
          <div class="row">
            <label class="col-md-4 text-right">Teacher Name <span class="text-danger">*</span></label>
            <div class="col-md-8">
              <input type="text" name="teacher_name" id="teacher_name" class="form-control" />
              <span class="text-danger"><?php echo $error_teacher_name; ?></span>
            </div>
          </div>
        </div>
        <div class="form-group">
          <div class="row">
            <label class="col-md-4 text-right">Address <span class="text-danger">*</span></label>
            <div class="col-md-8">
              <textarea name="teacher_address" id="teacher_address" class="form-control"></textarea>
              <span class="text-danger"><?php echo $error_teacher_address; ?></span>
            </div>
          </div>
        </div>
        <div class="form-group">
          <div class="row">
            <label class="col-md-4 text-right">Email Address <span class="text-danger">*</span></label>
            <div class="col-md-8">
              <input type="text" name="teacher_emailid" id="teacher_emailid" class="form-control" />
              <span class="text-danger"><?php echo $error_teacher_emailid; ?></span>
            </div>
          </div>
        </div>
        <div class="form-group">
          <div class="row">
            <label class="col-md-4 text-right">Password <span class="text-danger">*</span></label>
            <div class="col-md-8">
              <input type="password" name="teacher_password" id="teacher_password" class="form-control" placeholder="Leave blank to not change it" />
              <span class="text-danger"></span>
            </div>
          </div>
        </div>
        <div class="form-group">
          <div class="row">
            <label class="col-md-4 text-right">Qualification <span class="text-danger">*</span></label>
            <div class="col-md-8">
              <input type="text" name="teacher_qualification" id="teacher_qualification" class="form-control" />
              <span class="text-danger"><?php echo $error_teacher_qualification; ?></span>
            </div>
          </div>
        </div>
        <div class="form-group">
          <div class="row">
            <label class="col-md-4 text-right">Grade <span class="text-danger">*</span></label>
            <div class="col-md-8">
              <select name="teacher_grade_id" id="teacher_grade_id" class="form-control">
                <option value="">Select Grade</option>
                <?php
                echo load_grade_list($connect);
                ?>
              </select>
              <span class="text-danger"><?php echo $error_teacher_grade_id; ?></span>
            </div>
          </div>
        </div>
        <div class="form-group">
          <div class="row">
            <label class="col-md-4 text-right">Date of Joining <span class="text-danger">*</span></label>
            <div class="col-md-8">
              <input type="text" name="teacher_doj" id="teacher_doj" class="form-control" readonly />
              <span class="text-danger"><?php echo $error_teacher_doj; ?></span>
            </div>
          </div>
        </div>
        <div class="form-group">
          <div class="row">
            <label class="col-md-4 text-right">Image <span class="text-danger">*</span></label>
            <div class="col-md-8">
              <input type="file" name="teacher_image" id="teacher_image" />
              <span class="text-muted">Only .jpg and .png allowed</span><br />
              <span id="error_teacher_image" class="text-danger"><?php echo $error_teacher_image; ?></span>
            </div>
          </div>
        </div>
     </div>
      <div class="card-footer" align="center">
        <input type="hidden" name="hidden_teacher_image" id="hidden_teacher_image" value="" />
        <input type="hidden" name="teacher_id" id="teacher_id" />
        <input type="submit" name="button_action" id="button_action" class="btn btn-success btn-sm" value="Save" />
      </div>
    </form>
  </div>
</div>

</body>
</html>

<script type="text/javascript" src="js/bootstrap-datepicker.js"></script>
<link rel="stylesheet" href="css/datepicker.css" />

<style>
    .datepicker
    {
      z-index: 1600 !important; /* has to be larger than 1050 */
    }
</style>

<script>
$(document).ready(function(){
 
<?php
foreach($result as $row)
{
?>
$('#teacher_name').val("<?php echo $row['teacher_name']; ?>");
$('#teacher_address').val("<?php echo $row['teacher_address']; ?>");
$('#teacher_emailid').val("<?php echo $row['teacher_emailid']; ?>");
$('#teacher_qualification').val("<?php echo $row['teacher_qualification']; ?>");
$('#teacher_grade_id').val("<?php echo $row['teacher_grade_id']; ?>");
$('#teacher_doj').val("<?php echo $row['teacher_doj']; ?>");
$('#error_teacher_image').html("<img src='admin/teacher_image/<?php echo $row['teacher_image']; ?>' class='img-thumbnail' width='100' />");
$('#hidden_teacher_image').val("<?php echo $row['teacher_image']; ?>");
$('#teacher_id').val("<?php echo $row['teacher_id']; ?>");
<?php
}
?>
  $('#teacher_doj').datepicker({
    format: "yyyy-mm-dd",
    autoclose: true
  });

});
</script>


Attendance Management

attendance.php



<?php

include('header.php');

?>

<div class="container" style="margin-top:30px">
  <div class="card">
   <div class="card-header">
      <div class="row">
        <div class="col-md-9">Attendance List</div>
        <div class="col-md-3" align="right">
          <button type="button" id="report_button" class="btn btn-danger btn-sm">Report</button>
          <button type="button" id="add_button" class="btn btn-info btn-sm">Add</button>
        </div>
      </div>
    </div>
   <div class="card-body">
    <div class="table-responsive">
        <span id="message_operation"></span>
     <table class="table table-striped table-bordered" id="attendance_table">
      <thead>
       <tr>
        <th>Student Name</th>
        <th>Roll Number</th>
        <th>Grade</th>
              <th>Attendance Status</th>
              <th>Attendance Date</th>
       </tr>
      </thead>
      <tbody>

      </tbody>
     </table>
    </div>
   </div>
  </div>
</div>

</body>
</html>

<script type="text/javascript" src="js/bootstrap-datepicker.js"></script>
<link rel="stylesheet" href="css/datepicker.css" />

<style>
    .datepicker
    {
      z-index: 1600 !important; /* has to be larger than 1050 */
    }
</style>

<?php
  $query = "
  SELECT * FROM tbl_grade WHERE grade_id = (SELECT teacher_grade_id FROM tbl_teacher 
    WHERE teacher_id = '".$_SESSION["teacher_id"]."')
  ";
  $statement = $connect->prepare($query);
  $statement->execute();
  $result = $statement->fetchAll();

?>
<div class="modal" id="formModal">
  <div class="modal-dialog">
    <form method="post" id="attendance_form">
      <div class="modal-content">

        <!-- Modal Header -->
        <div class="modal-header">
          <h4 class="modal-title" id="modal_title"></h4>
          <button type="button" class="close" data-dismiss="modal">&times;</button>
        </div>

        <!-- Modal body -->
        <div class="modal-body">
          <?php
          foreach($result as $row)
          {
          ?>
          <div class="form-group">
            <div class="row">
              <label class="col-md-4 text-right">Grade <span class="text-danger">*</span></label>
              <div class="col-md-8">
                <?php 
                echo '<label>'.$row["grade_name"].'</label>';
                ?>
              </div>
            </div>
          </div>
          <div class="form-group">
            <div class="row">
              <label class="col-md-4 text-right">Attendance Date <span class="text-danger">*</span></label>
              <div class="col-md-8">
                <input type="text" name="attendance_date" id="attendance_date" class="form-control" readonly />
                <span id="error_attendance_date" class="text-danger"></span>
              </div>
            </div>
          </div>
          <div class="form-group" id="student_details">
            <div class="table-responsive">
              <table class="table table-striped table-bordered">
                <thead>
                  <tr>
                    <th>Roll No.</th>
                    <th>Student Name</th>
                    <th>Present</th>
                    <th>Absent</th>
                  </tr>
                </thead>
          <?php
          $sub_query = "
          SELECT * FROM tbl_student 
          WHERE student_grade_id = '".$row["grade_id"]."'
          ";
          $statement = $connect->prepare($sub_query);
          $statement->execute();
          $student_result = $statement->fetchAll();
          foreach($student_result as $student)
          {
          ?>
                <tr>
                  <td><?php echo $student["student_roll_number"]; ?></td>
                  <td>
                    <?php echo $student["student_name"]; ?>
                    <input type="hidden" name="student_id[]" value="<?php echo $student["student_id"]; ?>" />
                  </td>
                  <td align="center">
                    <input type="radio" name="attendance_status<?php echo $student["student_id"]; ?>" value="Present" />
                  </td>
                  <td align="center">
                    <input type="radio" name="attendance_status<?php echo $student["student_id"]; ?>" checked value="Absent" />
                  </td>
                </tr>
          <?php
          }
          ?>
              </table>
            </div>
          </div>
          <?php
          }
          ?>
        </div>

        <!-- Modal footer -->
        <div class="modal-footer">
          <input type="hidden" name="attendance_id" id="attendance_id" />
          <input type="hidden" name="action" id="action" value="Add" />
          <input type="submit" name="button_action" id="button_action" class="btn btn-success btn-sm" value="Add" />
          <button type="button" class="btn btn-danger btn-sm" data-dismiss="modal">Close</button>
        </div>

      </div>
    </form>
  </div>
</div>

<div class="modal" id="reportModal">
  <div class="modal-dialog">
    <div class="modal-content">

      <!-- Modal Header -->
      <div class="modal-header">
        <h4 class="modal-title">Make Report</h4>
        <button type="button" class="close" data-dismiss="modal">&times;</button>
      </div>

      <!-- Modal body -->
      <div class="modal-body">
        <div class="form-group">
          <div class="input-daterange">
            <input type="text" name="from_date" id="from_date" class="form-control" placeholder="From Date" readonly />
            <span id="error_from_date" class="text-danger"></span>
            <br />
            <input type="text" name="to_date" id="to_date" class="form-control" placeholder="To Date" readonly />
            <span id="error_to_date" class="text-danger"></span>
          </div>
        </div>
      </div>
      <!-- Modal footer -->
      <div class="modal-footer">
        <input type="hidden" name="student_id" id="student_id" />
        <button type="button" name="create_report" id="create_report" class="btn btn-success btn-sm">Create Report</button>
        <button type="button" class="btn btn-danger btn-sm" data-dismiss="modal">Close</button>
      </div>

    </div>
  </div>
</div>

<script>
$(document).ready(function(){
 var dataTable = $('#attendance_table').DataTable({
  "processing":true,
  "serverSide":true,
  "order":[],
  "ajax":{
   url:"attendance_action.php",
   type:"POST",
   data:{action:'fetch'}
  }
 });

  $('#attendance_date').datepicker({
        format: "yyyy-mm-dd",
        autoclose: true,
        container: '#formModal modal-body'
    });

  function clear_field()
  {
    $('#attendance_form')[0].reset();
    //$('#error_student_grade_id').text('');
    $('#error_attendance_date').text('');
  }

  $('#add_button').click(function(){
    $('#modal_title').text("Add Attendance");
    //$('#button_action').val('Add');
    //$('#action').val('Add');
    $('#formModal').modal('show');
    clear_field();
  });

  



  $('#attendance_form').on('submit', function(event){
    event.preventDefault();
    $.ajax({
      url:"attendance_action.php",
      method:"POST",
      data:$(this).serialize(),
      dataType:"json",
      beforeSend:function()
      {
        $('#button_action').attr('disabled', 'disabled');
        $('#button_action').val('Validate...');
      },
      success:function(data){
        $('#button_action').attr('disabled', false);
        $('#button_action').val($('#action').val());
        if(data.success)
        {
          $('#message_operation').html('<div class="alert alert-success">'+data.success+'</div>');
          clear_field();
          $('#formModal').modal('hide');
          dataTable.ajax.reload();
        }
        if(data.error)
        { 
          if(data.error_attendance_date != '')
          {
            $('#error_attendance_date').text(data.error_attendance_date);
          }
          else
          {
            $('#error_attendance_date').text('');
          }
        }
      }
    });
  });

  $('.input-daterange').datepicker({
    todayBtn: "linked",
    format: "yyyy-mm-dd",
    autoclose: true,
    container: '#formModal modal-body'
  });

  $(document).on('click', '#report_button', function(){
    $('#reportModal').modal('show');
  });

  $('#create_report').click(function(){
    var from_date = $('#from_date').val();
    var to_date = $('#to_date').val();
    var error = 0;
    if(from_date == '')
    {
      $('#error_from_date').text('From Date is Required');
      error++;
    }
    else
    {
      $('#error_from_date').text('');
    }
    if(to_date == '')
    {
      $('#error_to_date').text('To Date is Required');
      error++;
    }
    else
    {
      $('#error_to_date').text('');
    }
    if(error == 0)
    {
      $('#from_date').val('');
      $('#to_date').val('');
      $('#formModal').modal('hide');
      window.open("report.php?action=attendance_report&from_date="+from_date+"&to_date="+to_date);
    }
  });

});
</script>


attendance_action.php



<?php

//attendance_action.php

include('admin/database_connection.php');
session_start();
$output = '';
if(isset($_POST["action"]))
{
 if($_POST["action"] == 'fetch')
 {
  $query = "
  SELECT * FROM tbl_attendance 
  INNER JOIN tbl_student 
  ON tbl_student.student_id = tbl_attendance.student_id 
  INNER JOIN tbl_grade 
  ON tbl_grade.grade_id = tbl_student.student_grade_id 
  WHERE tbl_attendance.teacher_id = '".$_SESSION["teacher_id"]."' AND (";
  if(isset($_POST["search"]["value"]))
  {
   $query .= 'tbl_student.student_name LIKE "%'.$_POST["search"]["value"].'%" 
      OR tbl_student.student_roll_number LIKE "%'.$_POST["search"]["value"].'%" 
      OR tbl_attendance.attendance_status LIKE "%'.$_POST["search"]["value"].'%" 
      OR tbl_attendance.attendance_date LIKE "%'.$_POST["search"]["value"].'%") ';
  }
  if(isset($_POST["order"]))
  {
   $query .= 'ORDER BY '.$_POST['order']['0']['column'].' '.$_POST['order']['0']['dir'].' ';
  }
  else
  {
   $query .= 'ORDER BY tbl_attendance.attendance_id DESC ';
  }
  if($_POST["length"] != -1)
  {
   $query .= 'LIMIT ' . $_POST['start'] . ', ' . $_POST['length'];
  }

  $statement = $connect->prepare($query);
  $statement->execute();
  $result = $statement->fetchAll();
  $data = array();
  $filtered_rows = $statement->rowCount();
  foreach($result as $row)
  {
   $sub_array = array();
   $status = '';
   if($row["attendance_status"] == 'Present')
   {
    $status = '<label class="badge badge-success">Present</label>';
   }
   if($row["attendance_status"] == 'Absent')
   {
    $status = '<label class="badge badge-danger">Absent</label>';
   }
   
   $sub_array[] = $row["student_name"];
   $sub_array[] = $row["student_roll_number"];
   $sub_array[] = $row["grade_name"];
   $sub_array[] = $status;
   $sub_array[] = $row["attendance_date"];
   $data[] = $sub_array;
  }

  $output = array(
   "draw"    => intval($_POST["draw"]),
   "recordsTotal"  =>  $filtered_rows,
   "recordsFiltered" => get_total_records($connect, 'tbl_attendance'),
   "data"    => $data
  );
  echo json_encode($output);
 }
 if($_POST["action"] == "Add")
 {
  $attendance_date = '';
  $error_attendance_date = '';
  $error = 0;
  if(empty($_POST["attendance_date"]))
  {
   $error_attendance_date = 'Attendance Date is required';
   $error++;
  }
  else
  {
   $attendance_date = $_POST["attendance_date"];
  }
  if($error > 0)
  {
   $output = array(
    'error'       => true,
    'error_attendance_date'   => $error_attendance_date
   );
  }
  else
  {
   $student_id = $_POST["student_id"];
   $query = '
   SELECT attendance_date FROM tbl_attendance 
   WHERE teacher_id = "'.$_SESSION["teacher_id"].'" 
   AND attendance_date = "'.$attendance_date.'"
   ';
   $statement = $connect->prepare($query);
   $statement->execute();
   if($statement->rowCount() > 0)
   {
    $output = array(
     'error'     => true,
     'error_attendance_date' => 'Attendance Data Already Exists on this date'
    );
   }
   else
   {
    for($count = 0; $count < count($student_id); $count++)
    {
     $data = array(
      ':student_id'   => $student_id[$count],
      ':attendance_status' => $_POST["attendance_status".$student_id[$count].""],
      ':attendance_date'  => $attendance_date,
      ':teacher_id'   => $_SESSION["teacher_id"]
     );

     $query = "
     INSERT INTO tbl_attendance 
     (student_id, attendance_status, attendance_date, teacher_id) 
     VALUES (:student_id, :attendance_status, :attendance_date, :teacher_id)
     ";
     $statement = $connect->prepare($query);
     $statement->execute($data);
    }
    $output = array(
     'success'  => 'Data Added Successfully',
    );
   }
  }
  echo json_encode($output);
 }

 if($_POST["action"] == "index_fetch")
 {
  $query = "
  SELECT * FROM tbl_attendance 
  INNER JOIN tbl_student 
  ON tbl_student.student_id = tbl_attendance.student_id 
  INNER JOIN tbl_grade 
  ON tbl_grade.grade_id = tbl_student.student_grade_id 
  WHERE tbl_attendance.teacher_id = '".$_SESSION["teacher_id"]."' AND (";
  if(isset($_POST["search"]["value"]))
  {
   $query .= 'tbl_student.student_name LIKE "%'.$_POST["search"]["value"].'%" 
      OR tbl_student.student_roll_number LIKE "%'.$_POST["search"]["value"].'%" 
      OR tbl_grade.grade_name LIKE "%'.$_POST["search"]["value"].'%" )';
  }

  $query .= 'GROUP BY tbl_student.student_id ';
  if(isset($_POST["order"]))
  {
   $query .= 'ORDER BY '.$_POST['order']['0']['column'].' '.$_POST['order']['0']['dir'].' ';
  }
  else
  {
   $query .= 'ORDER BY tbl_student.student_roll_number ASC ';
  }

  if($_POST["length"] != -1)
  {
   $query .= 'LIMIT ' . $_POST['start'] . ', ' . $_POST['length'];
  }

  $statement = $connect->prepare($query);
  $statement->execute();
  $result = $statement->fetchAll();
  $data = array();
  $filtered_rows = $statement->rowCount();
  foreach($result as $row)
  {
   $sub_array = array();
   $sub_array[] = $row["student_name"];
   $sub_array[] = $row["student_roll_number"];
   $sub_array[] = $row["grade_name"];
   $sub_array[] = get_attendance_percentage($connect, $row["student_id"]);
   $sub_array[] = '<button type="button" name="report_button" id="'.$row["student_id"].'" class="btn btn-info btn-sm report_button">Report</button>';
   $data[] = $sub_array;
  }

  $output = array(
   "draw"    => intval($_POST["draw"]),
   "recordsTotal"  =>  $filtered_rows,
   "recordsFiltered" => get_total_records($connect, 'tbl_student'),
   "data"    => $data
  );
  echo json_encode($output);  
 }
}



?>


report.php



<?php

//report.php
if(isset($_GET["action"]))
{
 include('admin/database_connection.php');
 require_once 'admin/pdf.php';
 session_start();
 $output = '';
 if($_GET["action"] == "student_report")
 {
  if(isset($_GET["student_id"], $_GET["from_date"], $_GET["to_date"]))
  {   
   $pdf = new Pdf();
   $query = "
   SELECT * FROM tbl_student 
   INNER JOIN tbl_grade 
   ON tbl_grade.grade_id = tbl_student.student_grade_id 
   WHERE tbl_student.student_id = '".$_GET["student_id"]."' 
   ";
   $statement = $connect->prepare($query);
   $statement->execute();
   $result = $statement->fetchAll();
   foreach($result as $row)
   {
    $output .= '
    <style>
    @page { margin: 20px; }
    
    </style>
    <p>&nbsp;</p>
    <h3 align="center">Attendance Report</h3><br /><br />
    <table width="100%" border="0" cellpadding="5" cellspacing="0">
           <tr>
               <td width="25%"><b>Student Name</b></td>
               <td width="75%">'.$row["student_name"].'</td>
           </tr>
           <tr>
               <td width="25%"><b>Roll Number</b></td>
               <td width="75%">'.$row["student_roll_number"].'</td>
           </tr>
           <tr>
               <td width="25%"><b>Grade</b></td>
               <td width="75%">'.$row["grade_name"].'</td>
           </tr>
           <tr>
            <td colspan="2" height="5">
             <h3 align="center">Attendance Details</h3>
            </td>
           </tr>
           <tr>
            <td colspan="2">
             <table width="100%" border="1" cellpadding="5" cellspacing="0">
              <tr>
               <td><b>Attendance Date</b></td>
               <td><b>Attendance Status</b></td>
              </tr>
    ';
    $sub_query = "
    SELECT * FROM tbl_attendance 
    WHERE student_id = '".$_GET["student_id"]."' 
    AND (attendance_date BETWEEN '".$_GET["from_date"]."' AND '".$_GET["to_date"]."') 
    ORDER BY attendance_date ASC
    ";
    $statement = $connect->prepare($sub_query);
    $statement->execute();
    $sub_result = $statement->fetchAll();
    foreach($sub_result as $sub_row)
    {
     $output .= '
      <tr>
       <td>'.$sub_row["attendance_date"].'</td>
       <td>'.$sub_row["attendance_status"].'</td>
      </tr>
     ';
    }
    $output .= '
      </table>
     </td>
     </tr>
    </table>
    ';
    $file_name = 'Attendance Report.pdf';
    $pdf->loadHtml($output);
    $pdf->render();
    $pdf->stream($file_name, array("Attachment" => false));
    exit(0);
   }
  }
 }

 if($_GET["action"] == "attendance_report")
 {
  if(isset($_GET["from_date"], $_GET["to_date"]))
  {
   $pdf = new Pdf();
   $query = "
   SELECT attendance_date FROM tbl_attendance 
   WHERE teacher_id = '".$_SESSION["teacher_id"]."' 
   AND (attendance_date BETWEEN '".$_GET["from_date"]."' AND '".$_GET["to_date"]."')
   GROUP BY attendance_date 
   ORDER BY attendance_date ASC
   ";
   $statement = $connect->prepare($query);
   $statement->execute();
   $result = $statement->fetchAll();
   $output .= '
    <style>
    @page { margin: 20px; }
    
    </style>
    <p>&nbsp;</p>
    <h3 align="center">Attendance Report</h3><br />';
   foreach($result as $row)
   {
    $output .= '
    <table width="100%" border="0" cellpadding="5" cellspacing="0">
           <tr>
            <td><b>Date - '.$row["attendance_date"].'</b></td>
           </tr>
           <tr>
            <td>
             <table width="100%" border="1" cellpadding="5" cellspacing="0">
              <tr>
               <td><b>Student Name</b></td>
               <td><b>Roll Number</b></td>
               <td><b>Grade</b></td>
               <td><b>Attendance Status</b></td>
              </tr>
       ';
       $sub_query = "
       SELECT * FROM tbl_attendance 
       INNER JOIN tbl_student 
       ON tbl_student.student_id = tbl_attendance.student_id 
       INNER JOIN tbl_grade 
       ON tbl_grade.grade_id = tbl_student.student_grade_id 
       WHERE teacher_id = '".$_SESSION["teacher_id"]."' 
    AND attendance_date = '".$row["attendance_date"]."'
       ";
       $statement = $connect->prepare($sub_query);
    $statement->execute();
    $sub_result = $statement->fetchAll();
    foreach($sub_result as $sub_row)
    {
     $output .= '
     <tr>
      <td>'.$sub_row["student_name"].'</td>
      <td>'.$sub_row["student_roll_number"].'</td>
      <td>'.$sub_row["grade_name"].'</td>
      <td>'.$sub_row["attendance_status"].'</td>
     </tr>
     ';
    }
    $output .= 
     '</table>
     </td>
     </tr>
    </table><br />';
   }
   $file_name = 'Attendance Report.pdf';
   $pdf->loadHtml($output);
   $pdf->render();
   $pdf->stream($file_name, array("Attachment" => false));
   exit(0);
  }
 }
}

?>


Admin Side - Attendance Management


admin/attendance.php



<?php

//attendance.php

include('header.php');

?>

<div class="container" style="margin-top:30px">
  <div class="card">
   <div class="card-header">
      <div class="row">
        <div class="col-md-9">Attendance List</div>
        <div class="col-md-3" align="right">
          <button type="button" id="chart_button" class="btn btn-primary btn-sm">Chart</button>
          <button type="button" id="report_button" class="btn btn-danger btn-sm">Report</button>
        </div>
      </div>
    </div>
   <div class="card-body">
    <div class="table-responsive">
        <table class="table table-striped table-bordered" id="attendance_table">
          <thead>
            <tr>
              <th>Student Name</th>
              <th>Roll Number</th>
              <th>Grade</th>
              <th>Attendance Status</th>
              <th>Attendance Date</th>
              <th>Teacher</th>
            </tr>
          </thead>
          <tbody>

          </tbody>
        </table>
    </div>
   </div>
  </div>
</div>

</body>
</html>

<script type="text/javascript" src="../js/bootstrap-datepicker.js"></script>
<link rel="stylesheet" href="../css/datepicker.css" />

<style>
    .datepicker
    {
      z-index: 1600 !important; /* has to be larger than 1050 */
    }
</style>

<div class="modal" id="reportModal">
  <div class="modal-dialog">
    <div class="modal-content">

      <!-- Modal Header -->
      <div class="modal-header">
        <h4 class="modal-title">Make Report</h4>
        <button type="button" class="close" data-dismiss="modal">&times;</button>
      </div>

      <!-- Modal body -->
      <div class="modal-body">
        <div class="form-group">
          <select name="grade_id" id="grade_id" class="form-control">
            <option value="">Select Grade</option>
            <?php
            echo load_grade_list($connect);
            ?>
          </select>
          <span id="error_grade_id" class="text-danger"></span>
        </div>
        <div class="form-group">
          <div class="input-daterange">
            <input type="text" name="from_date" id="from_date" class="form-control" placeholder="From Date" readonly />
            <span id="error_from_date" class="text-danger"></span>
            <br />
            <input type="text" name="to_date" id="to_date" class="form-control" placeholder="To Date" readonly />
            <span id="error_to_date" class="text-danger"></span>
          </div>
        </div>
      </div>
      <!-- Modal footer -->
      <div class="modal-footer">
        <button type="button" name="create_report" id="create_report" class="btn btn-success btn-sm">Create Report</button>
        <button type="button" class="btn btn-danger btn-sm" data-dismiss="modal">Close</button>
      </div>

    </div>
  </div>
</div>

<div class="modal" id="chartModal">
  <div class="modal-dialog">
    <div class="modal-content">

      <!-- Modal Header -->
      <div class="modal-header">
        <h4 class="modal-title">Create Grade Attandance Chart</h4>
        <button type="button" class="close" data-dismiss="modal">&times;</button>
      </div>

      <!-- Modal body -->
      <div class="modal-body">
        <div class="form-group">
          <select name="chart_grade_id" id="chart_grade_id" class="form-control">
            <option value="">Select Grade</option>
            <?php
            echo load_grade_list($connect);
            ?>
          </select>
          <span id="error_chart_grade_id" class="text-danger"></span>
        </div>
        <div class="form-group">
          <div class="input-daterange">
            <input type="text" name="attendance_date" id="attendance_date" class="form-control" placeholder="Select Date" readonly />
            <span id="error_attendance_date" class="text-danger"></span>
          </div>
        </div>
      </div>
      <!-- Modal footer -->
      <div class="modal-footer">
        <button type="button" name="create_chart" id="create_chart" class="btn btn-success btn-sm">Create Chart</button>
        <button type="button" class="btn btn-danger btn-sm" data-dismiss="modal">Close</button>
      </div>

    </div>
  </div>
</div>

<script>
$(document).ready(function(){
 
  var dataTable = $('#attendance_table').DataTable({
    "processing":true,
    "serverSide":true,
    "order":[],
    "ajax":{
      url:"attendance_action.php",
      type:"POST",
      data:{action:'fetch'}
    }
  });

  $('.input-daterange').datepicker({
    todayBtn: "linked",
    format: "yyyy-mm-dd",
    autoclose: true,
    container: '#formModal modal-body'
  });

  $(document).on('click', '#report_button', function(){
    $('#reportModal').modal('show');
  });

  $('#create_report').click(function(){
    var grade_id = $('#grade_id').val();
    var from_date = $('#from_date').val();
    var to_date = $('#to_date').val();
    var error = 0;

    if(grade_id == '')
    {
      $('#error_grade_id').text('Grade is Required');
      error++;
    }
    else
    {
      $('#error_grade_id').text('');
    }

    if(from_date == '')
    {
      $('#error_from_date').text('From Date is Required');
      error++;
    }
    else
    {
      $('#error_from_date').text('');
    }

    if(to_date == '')
    {
      $('#error_to_date').text("To Date is Required");
      error++;
    }
    else
    {
      $('#error_to_date').text('');
    }

    if(error == 0)
    {
      $('#from_date').val('');
      $('#to_date').val('');
      $('#formModal').modal('hide');
      window.open("report.php?action=attendance_report&grade_id="+grade_id+"&from_date="+from_date+"&to_date="+to_date);
    }

  });

  $('#chart_button').click(function(){
    $('#chart_grade_id').val('');
    $('#attendance_date').val('');
    $('#chartModal').modal('show');
  });

  $('#create_chart').click(function(){
    var grade_id = $('#chart_grade_id').val();
    var attendance_date = $('#attendance_date').val();
    var error = 0;
    if(grade_id == '')
    {
      $('#error_chart_grade_id').text('Grade is Required');
      error++;
    }
    else
    {
      $('#error_chart_grade_id').text('');
    }
    if(attendance_date == '')
    {
      $('#error_attendance_date').text('Date is Required');
      $error++;
    }
    else
    {
      $('#error_attendance_date').text('');
    }

    if(error == 0)
    {
      $('#attendance_date').val('');
      $('#chart_grade_id').val('');
      $('#chartModal').modal('show');
      window.open("chart1.php?action=attendance_report&grade_id="+grade_id+"&date="+attendance_date);
    }

  });

});
</script>


admin/attendance_action.php



<?php

//student_action.php

include('database_connection.php');

session_start();

if(isset($_POST["action"]))
{
 if($_POST["action"] == "fetch")
 {
  $query = "
  SELECT * FROM tbl_attendance 
  INNER JOIN tbl_student 
  ON tbl_student.student_id = tbl_attendance.student_id 
  INNER JOIN tbl_grade 
  ON tbl_grade.grade_id = tbl_student.student_grade_id 
  INNER JOIN tbl_teacher 
  ON tbl_teacher.teacher_id = tbl_attendance.teacher_id 
  ";
  if(isset($_POST["search"]["value"]))
  {
   $query .= '
    WHERE tbl_student.student_name LIKE "%'.$_POST["search"]["value"].'%" 
    OR tbl_student.student_roll_number LIKE "%'.$_POST["search"]["value"].'%" 
    OR tbl_attendance.attendance_status LIKE "%'.$_POST["search"]["value"].'%" 
    OR tbl_attendance.attendance_date LIKE "%'.$_POST["search"]["value"].'%" 
    OR tbl_teacher.teacher_name LIKE "%'.$_POST["search"]["value"].'%" 
   ';
  }
  if(isset($_POST["order"]))
  {
   $query .= '
   ORDER BY '.$_POST['order']['0']['column'].' '.$_POST['order']['0']['dir'].' 
   ';
  }
  else
  { 
   $query .= '
   ORDER BY tbl_attendance.attendance_id DESC 
   ';
  }

  if($_POST["length"] != -1)
  {
   $query .= 'LIMIT ' . $_POST['start'] . ', ' . $_POST['length'];
  }

  $statement = $connect->prepare($query);
  $statement->execute();
  $result = $statement->fetchAll();
  $data = array();
  $filtered_rows = $statement->rowCount();
  foreach($result as $row)
  {
   $sub_array = array();
   $status = '';
   if($row["attendance_status"] == "Present")
   {
    $status = '<label class="badge badge-success">Present</label>';
   }
   if($row["attendance_status"] == "Absent")
   {
    $status = '<label class="badge badge-danger">Absent</label>';
   }
   $sub_array[] = $row["student_name"];
   $sub_array[] = $row["student_roll_number"];
   $sub_array[] = $row["grade_name"];
   $sub_array[] = $status;
   $sub_array[] = $row["attendance_date"];
   $sub_array[] = $row["teacher_name"];
   $data[] = $sub_array;
  }
  $output = array(
   "draw"    => intval($_POST["draw"]),
   "recordsTotal"  =>  $filtered_rows,
   "recordsFiltered" => get_total_records($connect, 'tbl_attendance'),
   "data"    => $data
  );

  echo json_encode($output);
 }

 if($_POST["action"] == "index_fetch")
 {
  $query = "
  SELECT * FROM tbl_student 
  LEFT JOIN tbl_attendance 
  ON tbl_attendance.student_id = tbl_student.student_id 
  INNER JOIN tbl_grade 
  ON tbl_grade.grade_id = tbl_student.student_grade_id 
  INNER JOIN tbl_teacher 
  ON tbl_teacher.teacher_grade_id = tbl_grade.grade_id  
  ";
  if(isset($_POST["search"]["value"]))
  {
   $query .= '
   WHERE tbl_student.student_name LIKE "%'.$_POST["search"]["value"].'%" 
   OR tbl_student.student_roll_number LIKE "%'.$_POST["search"]["value"].'%" 
   OR tbl_grade.grade_name LIKE "%'.$_POST["search"]["value"].'%" 
   OR tbl_teacher.teacher_name LIKE "%'.$_POST["search"]["value"].'%" 
   ';
  }
  $query .= 'GROUP BY tbl_student.student_id ';
  if(isset($_POST["order"]))
  {
   $query .= 'ORDER BY '.$_POST['order']['0']['column'].' '.$_POST['order']['0']['dir'].' ';
  }
  else
  {
   $query .= 'ORDER BY tbl_student.student_name ASC ';
  }

  if($_POST["length"] != -1)
  {
   $query .= 'LIMIT ' . $_POST['start'] . ', ' . $_POST['length'];
  }

  $statement = $connect->prepare($query);
  $statement->execute();
  $result = $statement->fetchAll();
  $data = array();
  $filtered_rows = $statement->rowCount();
  foreach($result as $row)
  {
   $sub_array = array();
   $sub_array[] = $row["student_name"];
   $sub_array[] = $row["student_roll_number"];
   $sub_array[] = $row["grade_name"];
   $sub_array[] = $row["teacher_name"];
   $sub_array[] = get_attendance_percentage($connect, $row["student_id"]);
   $sub_array[] = '<button type="button" name="report_button" data-student_id="'.$row["student_id"].'" class="btn btn-info btn-sm report_button">Report</button>&nbsp;&nbsp;&nbsp;<button type="button" name="chart_button" data-student_id="'.$row["student_id"].'" class="btn btn-danger btn-sm report_button">Chart</button>
   ';
   $data[] = $sub_array;
  }

  $output = array(
   'draw'    => intval($_POST["draw"]),
   "recordsTotal"  =>  $filtered_rows,
   "recordsFiltered" => get_total_records($connect, 'tbl_student'),
   "data"    => $data
  );

  echo json_encode($output);
 }
}


?>


admin/chart.php



<?php

//chart.php

include('header.php');

$present_percentage = 0;
$absent_percentage = 0;
$total_present = 0;
$total_absent = 0;
$output = "";

$query = "
SELECT * FROM tbl_attendance 
WHERE student_id = '".$_GET['student_id']."' 
AND attendance_date >= '".$_GET["from_date"]."' 
AND attendance_date <= '".$_GET["to_date"]."'
";

$statement = $connect->prepare($query);

$statement->execute();

$result = $statement->fetchAll();

$total_row = $statement->rowCount();

foreach($result as $row)
{
 $status = '';
 if($row["attendance_status"] == "Present")
 {
  $total_present++;
  $status = '<span class="badge badge-success">Present</span>';
 }

 if($row["attendance_status"] == "Absent")
 {
  $total_absent++;
  $status = '<span class="badge badge-danger">Absent</span>';
 }

 $output .= '
  <tr>
   <td>'.$row["attendance_date"].'</td>
   <td>'.$status.'</td>
  </tr>
 ';

 $present_percentage = ($total_present/$total_row) * 100;
 $absent_percentage = ($total_absent/$total_row) * 100;

}

?>

<div class="container" style="margin-top:30px">
  <div class="card">
   <div class="card-header"><b>Attendance Chart</b></div>
   <div class="card-body">
      <div class="table-responsive">
        
        <table class="table table-bordered table-striped">
          <tr>
            <th>Student Name</th>
            <td><?php echo Get_student_name($connect, $_GET["student_id"]); ?></td>
          </tr>
          <tr>
            <th>Grade</th>
            <td><?php echo Get_student_grade_name($connect, $_GET["student_id"]); ?></td>
          </tr>
          <tr>
            <th>Teacher Name</th>
            <td><?php echo Get_student_teacher_name($connect, $_GET["student_id"]); ?></td>
          </tr>
          <tr>
            <th>Time Period</th>
            <td><?php echo $_GET["from_date"] . ' to '. $_GET["to_date"]; ?></td>
          </tr>
        </table>

        <div id="attendance_pie_chart" style="width: 100%; height: 400px;">

        </div>

        <div class="table-responsive">
         <table class="table table-striped table-bordered">
           <tr>
             <th>Date</th>
             <th>Attendance Status</th>
           </tr>
           <?php echo $output; ?>
       </table>
        </div>
    
      </div>
   </div>
  </div>
</div>

</body>
</html>

<script type="text/javascript" src="https://www.gstatic.com/charts/loader.js"></script>

<script type="text/javascript">
 
 google.charts.load('current', {'packages':['corechart']});

 google.charts.setOnLoadCallback(drawChart);

 function drawChart()
 {
  var data = google.visualization.arrayToDataTable([
   ['Attendance Status', 'Percentage'],
   ['Present', <?php echo $present_percentage; ?>],
   ['Absent', <?php echo $absent_percentage; ?>]
  ]);

  var options = {
   title : 'Overall Attendance Analytics',
   hAxis : {
    title: 'Percentage',
          minValue: 0,
          maxValue: 100
   },
   vAxis : {
    title: 'Attendance Status'
   }
  };

  var chart = new google.visualization.PieChart(document.getElementById('attendance_pie_chart'));

  chart.draw(data, options);
 }

</script>


admin/chart1.php



<?php

//chart1.php

include('header.php');

$present_percentage = 0;
$absent_percentage = 0;
$total_present = 0;
$total_absent = 0;
$output = "";

$query = "
SELECT * FROM tbl_attendance 
INNER JOIN tbl_student  
ON tbl_student.student_id = tbl_attendance.student_id 
INNER JOIN tbl_grade 
ON tbl_grade.grade_id = tbl_student.student_grade_id 
WHERE tbl_student.student_grade_id = '".$_GET['grade_id']."' 
AND tbl_attendance.attendance_date = '".$_GET["date"]."'
";
//echo $query;
$statement = $connect->prepare($query);
$statement->execute();

$result = $statement->fetchAll();

$total_row = $statement->rowCount();

foreach($result as $row)
{
 $status = '';
 if($row["attendance_status"] == "Present")
 {
  $total_present++;
  $status = '<span class="badge badge-success">Present</span>';
 }

 if($row["attendance_status"] == "Absent")
 {
  $total_absent++;
  $status = '<span class="badge badge-danger">Absent</span>';
 }
 $output .= '
  <tr>
   <td>'.$row["student_name"].'</td>
   <td>'.$status.'</td>
  </tr>
 ';
}

if($total_row > 0)
{
 $present_percentage = ($total_present / $total_row) * 100;
 $absent_percentage = ($total_absent / $total_row) * 100;
}

?>

<div class="container" style="margin-top:30px">
  <div class="card">
   <div class="card-header"><b>Attendance Chart</b></div>
   <div class="card-body">
      <div class="table-responsive">
        <table class="table table-bordered table-striped">
          <tr>
            <th>Grade Name</th>
            <td><?php echo Get_grade_name($connect, $_GET["grade_id"]); ?></td>
          </tr>
          <tr>
            <th>Date</th>
            <td><?php echo $_GET["date"]; ?></td>
          </tr>
        </table>
      </div>
    <div id="attendance_pie_chart" style="width: 100%; height: 400px;">

    </div>

    <div class="table-responsive">
        <table class="table table-striped table-bordered">
          <tr>
            <th>Student Name</th>
            <th>Attendance Status</th>
          </tr>
          <?php 
          echo $output;
          ?>
      </table></div>
   </div>
  </div>
</div>

</body>
</html>

<script type="text/javascript" src="https://www.gstatic.com/charts/loader.js"></script>
<script type="text/javascript">
  google.charts.load('current', {'packages':['corechart']});
  google.charts.setOnLoadCallback(drawChart);

  function drawChart()
  {
    var data = google.visualization.arrayToDataTable([
      ['Attendance Status', 'Percentage'],
      ['Present', <?php echo $present_percentage; ?>],
      ['Absent', <?php echo $absent_percentage; ?>]
    ]);

    var options = {
      title: 'Overall Attendance Analytics',
      hAxis: {
        title: 'Percentage',
        minValue: 0,
        maxValue: 100
      },
      vAxis: {
        title: 'Attendance Status'
      }
    };

    var chart = new google.visualization.PieChart(document.getElementById('attendance_pie_chart'));
    chart.draw(data, options);
  }
</script>


admin/report.php



<?php

//report.php
if(isset($_GET["action"]))
{
 include('database_connection.php');
 require_once 'pdf.php';
 session_start();
 $output = '';
 if($_GET["action"] == "student_report")
 {
  if(isset($_GET["student_id"], $_GET["from_date"], $_GET["to_date"]))
  {   
   $pdf = new Pdf();
   $query = "
   SELECT * FROM tbl_student 
   INNER JOIN tbl_grade 
   ON tbl_grade.grade_id = tbl_student.student_grade_id 
   WHERE tbl_student.student_id = '".$_GET["student_id"]."' 
   ";
   $statement = $connect->prepare($query);
   $statement->execute();
   $result = $statement->fetchAll();
   foreach($result as $row)
   {
    $output .= '
    <style>
    @page { margin: 20px; }
    
    </style>
    <p>&nbsp;</p>
    <h3 align="center">Attendance Report</h3><br /><br />
    <table width="100%" border="0" cellpadding="5" cellspacing="0">
           <tr>
               <td width="25%"><b>Student Name</b></td>
               <td width="75%">'.$row["student_name"].'</td>
           </tr>
           <tr>
               <td width="25%"><b>Roll Number</b></td>
               <td width="75%">'.$row["student_roll_number"].'</td>
           </tr>
           <tr>
               <td width="25%"><b>Grade</b></td>
               <td width="75%">'.$row["grade_name"].'</td>
           </tr>
           <tr>
            <td colspan="2" height="5">
             <h3 align="center">Attendance Details</h3>
            </td>
           </tr>
           <tr>
            <td colspan="2">
             <table width="100%" border="1" cellpadding="5" cellspacing="0">
              <tr>
               <td><b>Attendance Date</b></td>
               <td><b>Attendance Status</b></td>
              </tr>
    ';
    $sub_query = "
    SELECT * FROM tbl_attendance 
    WHERE student_id = '".$_GET["student_id"]."' 
    AND (attendance_date BETWEEN '".$_GET["from_date"]."' AND '".$_GET["to_date"]."') 
    ORDER BY attendance_date ASC
    ";
    $statement = $connect->prepare($sub_query);
    $statement->execute();
    $sub_result = $statement->fetchAll();
    foreach($sub_result as $sub_row)
    {
     $output .= '
      <tr>
       <td>'.$sub_row["attendance_date"].'</td>
       <td>'.$sub_row["attendance_status"].'</td>
      </tr>
     ';
    }
    $output .= '
      </table>
     </td>
     </tr>
    </table>
    ';
    $file_name = 'Attendance Report.pdf';
    $pdf->loadHtml($output);
    $pdf->render();
    $pdf->stream($file_name, array("Attachment" => false));
    exit(0);
   }
  }
 }

 if($_GET["action"] == "attendance_report")
 {
  if(isset($_GET["grade_id"], $_GET["from_date"], $_GET["to_date"]))
  {
   $pdf = new Pdf();
   $query = "
   SELECT tbl_attendance.attendance_date FROM tbl_attendance 
   INNER JOIN tbl_student 
   ON tbl_student.student_id = tbl_attendance.student_id 
   WHERE tbl_student.student_grade_id = '".$_GET["grade_id"]."' 
   AND (tbl_attendance.attendance_date BETWEEN '".$_GET["from_date"]."' AND '".$_GET["to_date"]."')
   GROUP BY tbl_attendance.attendance_date 
   ORDER BY tbl_attendance.attendance_date ASC
   ";
   $statement = $connect->prepare($query);
   $statement->execute();
   $result = $statement->fetchAll();
   $output .= '
    <style>
    @page { margin: 20px; }
    
    </style>
    <p>&nbsp;</p>
    <h3 align="center">Attendance Report</h3><br />';
   foreach($result as $row)
   {
    $output .= '
    <table width="100%" border="0" cellpadding="5" cellspacing="0">
           <tr>
            <td><b>Date - '.$row["attendance_date"].'</b></td>
           </tr>
           <tr>
            <td>
             <table width="100%" border="1" cellpadding="5" cellspacing="0">
              <tr>
               <td><b>Student Name</b></td>
               <td><b>Roll Number</b></td>
               <td><b>Grade</b></td>
               <td><b>Teacher</b></td>
               <td><b>Attendance Status</b></td>
              </tr>
       ';
       $sub_query = "
       SELECT * FROM tbl_attendance 
       INNER JOIN tbl_student 
       ON tbl_student.student_id = tbl_attendance.student_id 
       INNER JOIN tbl_grade 
       ON tbl_grade.grade_id = tbl_student.student_grade_id 
       INNER JOIN tbl_teacher 
       ON tbl_teacher.teacher_grade_id = tbl_grade.grade_id 
       WHERE tbl_student.student_grade_id = '".$_GET["grade_id"]."' 
    AND tbl_attendance.attendance_date = '".$row["attendance_date"]."'
       ";
       $statement = $connect->prepare($sub_query);
    $statement->execute();
    $sub_result = $statement->fetchAll();
    foreach($sub_result as $sub_row)
    {
     $output .= '
     <tr>
      <td>'.$sub_row["student_name"].'</td>
      <td>'.$sub_row["student_roll_number"].'</td>
      <td>'.$sub_row["grade_name"].'</td>
      <td>'.$sub_row["teacher_name"].'</td>
      <td>'.$sub_row["attendance_status"].'</td>
     </tr>
     ';
    }
    $output .= 
     '</table>
     </td>
     </tr>
    </table><br />';
   }
   $file_name = 'Attendance Report.pdf';
   $pdf->loadHtml($output);
   $pdf->render();
   $pdf->stream($file_name, array("Attachment" => false));
   exit(0);
  }
 }
}

?>







79 comments:

  1. hello when is this tutorials available?

    ReplyDelete
  2. Hello Sir,what is the email and password for the demo

    ReplyDelete
  3. Send me rar file for this vedio

    ReplyDelete
  4. Plz send the the full function

    ReplyDelete
  5. Please Share Source Code in Zip Completely i'm waiting...

    and

    also you are amazing

    ReplyDelete
  6. How much part will come and when we get completely packagenof this system source

    ReplyDelete
  7. good ,but share source code

    ReplyDelete
  8. subdomain "demo" is not working right noo

    ReplyDelete
  9. Hi
    thanks for tutorial you made but we need check_admin_login.php because it's not included in your article

    ReplyDelete
  10. there is no attendence system in demo please share attendance file

    ReplyDelete
    Replies
    1. hello bro do yoou have this project i need for my final assignment please can you help me this?

      Delete
  11. Please post check_admin_login on your page

    ReplyDelete
  12. Please how can I insert hash password??

    ReplyDelete
  13. Please, source code check_admin_login.php !!

    Thanks

    ReplyDelete
  14. when can you upload source code

    ReplyDelete
  15. Thank u very much sir with this wonderful tutorial. The source code for the file "check_admin_login" is missing here

    ReplyDelete
  16. Thanks for this wonderful resource.

    ReplyDelete
  17. the edit button is not working in the source code in any of the pages

    ReplyDelete
  18. Sir, I need some technical help, I am creating Bible Registration system, and I am thinking on how to automatically assign members into groups. Do you have any idea?

    ReplyDelete
  19. Thank you for tutorial, But EDIT is not functioning working with this sources code

    ReplyDelete
  20. why update function are not working

    ReplyDelete
  21. Sources code Edit button not working, Please check,
    Thank you Sir

    ReplyDelete
  22. Sir Your source code is Edit button not working. Without this totally useless.

    ReplyDelete
  23. this was so helpful, thanks so much

    ReplyDelete
  24. Hi and thanks for share it. But there are many error in the sql query. GROUP BY generate ERROR

    ReplyDelete
  25. admin demo seems not to be working.

    ReplyDelete
  26. What if a teacher is in charge of several grades? how can I modify the code to achieve this. Thanks!

    ReplyDelete
  27. plz sir upload missing file "check_admin_login"

    ReplyDelete
  28. this is really helpful. thanks to weblesson

    ReplyDelete
  29. I got this error message when i add a teacher
    Notice: Undefined variable: output in C:\xampp\htdocs\studentproject\admin\teacher_action.php on line 280
    null

    ReplyDelete
  30. Thank you this is wonderful tutorial.

    ReplyDelete
  31. The login doesn't open with the ID : admin & password: password 😐😑

    ReplyDelete
  32. can you please send me the backup of your database

    ReplyDelete
  33. Can you please provide me the Project Report of this project i.e. "Online Student Attendance System in PHP Mysql" on nildeeprat@gmail.com

    ReplyDelete
  34. I like this post. My best online tutor. Please kindly do do a tutorial on students ranking in both subjects and class. Thanks

    ReplyDelete
  35. superb and great content thanks for sharing your knowledge with us.
    Really helpful for beginner to make his mistakes!
    once again thanks a lot! wish you a bright future

    ReplyDelete
  36. do you have the context diagram for this system?

    ReplyDelete
  37. hello admin login as u given not working please give me support

    ReplyDelete
  38. Sir any tutorial in which the project code explanation . if you have please send it to me or share the link hare

    ReplyDelete
  39. Why the PDF file doesn't appear? there is format error

    ReplyDelete
  40. Grade edit not working. Pls see page grade.php file. pls help me.

    ReplyDelete
  41. Very nice program. The only drawback is that a teacher can only be assigned to one school Grade. Also sometimes two teachers can share one school Grade. If you add these the program will be awesome. Thanks

    ReplyDelete
  42. Great program. Can you modify the codes so that a teacher can be assigned to more than one Grade? Thanks.

    ReplyDelete
  43. Sir report should not generate
    "Failed to download" error occurred
    So, please send 'report.php' and 'pdf.php' source code

    ReplyDelete
  44. hello sir im getting some error when i create reports for both the users the pdf reports are not coming

    ReplyDelete
  45. nice tutorial sir can you provide me database 'attendance.sql'

    ReplyDelete
  46. Within "Admin Side Demo" the username "admin" is resulting in "invalid credentials"

    Please provide the credentials once again.

    ReplyDelete
  47. do have documentation of this system ?

    ReplyDelete
  48. Sir how to interface biometric fingerprint scanner to attendance system .

    ReplyDelete
  49. Hey Dear In my case it shows me error in report Error
    Failed to load PDF document. again and again

    ReplyDelete
  50. Hey Dear in my case all report shows error Error
    Failed to load PDF document. again and again

    ReplyDelete
  51. WHAT IS THE TOOL USED FOR THIS SOFTWARE SIR

    ReplyDelete
    Replies
    1. Hi Gowtham,

      Use the following softwares:-
      1. Sublime Text Editor to Code.
      2. Xampp Server
      3. PhpMyAdmin (Enable it while installing Xampp Server on your computer. And to access it type localhost/phpmyadmin).

      Delete
  52. teacher is unable to see attendance percentage column

    ReplyDelete
  53. cannot sort by student name when click the up / down icon

    ReplyDelete
  54. How to fix the problem, when I click the sort button at first column of table, but table will show blank, click another column, it work fine. please help to fix, thank you.

    ReplyDelete
  55. Hi. Is the system can be used as an application on the mobile phone?

    ReplyDelete
  56. what are Login details for the admin please

    ReplyDelete
  57. admin details are
    username - admin
    password - password
    check it...

    ReplyDelete
  58. If anyone knows how to change the admin password??

    ReplyDelete