Monday, 25 April 2016

Append Data to JSON File using PHP



How to Append form data to JSON File in PHP Programming Language. I have create one HTML form, I want to add the form data into one json file. For this I have use file_get_contents() and file_put_contents(). File_get_contents() function get json file contents and with the help of php I have convert that content into array formate by using json_decode() function. After this now I want to add form data into this array. For this I have store form data into one array when user submit form, then at that time that form data will store into array. After this I append this form data array into array which I have converted from json file. Now Form data are added into array, so I convert that array into json formate by using json_encode() function. Now all data are converted into json formate, so last I have use file_put_contents() function. With the help of this function I have overwrite this json data on to file.

Source Code

append_json_data.php

 <?php  
 $message = '';  
 $error = '';  
 if(isset($_POST["submit"]))  
 {  
      if(empty($_POST["name"]))  
      {  
           $error = "<label class='text-danger'>Enter Name</label>";  
      }  
      else if(empty($_POST["gender"]))  
      {  
           $error = "<label class='text-danger'>Enter Gender</label>";  
      }  
      else if(empty($_POST["designation"]))  
      {  
           $error = "<label class='text-danger'>Enter Designation</label>";  
      }  
      else  
      {  
           if(file_exists('employee_data.json'))  
           {  
                $current_data = file_get_contents('employee_data.json');  
                $array_data = json_decode($current_data, true);  
                $extra = array(  
                     'name'               =>     $_POST['name'],  
                     'gender'          =>     $_POST["gender"],  
                     'designation'     =>     $_POST["designation"]  
                );  
                $array_data[] = $extra;  
                $final_data = json_encode($array_data);  
                if(file_put_contents('employee_data.json', $final_data))  
                {  
                     $message = "<label class='text-success'>File Appended Success fully</p>";  
                }  
           }  
           else  
           {  
                $error = 'JSON File not exits';  
           }  
      }  
 }  
 ?>  
 <!DOCTYPE html>  
 <html>  
      <head>  
           <title>Webslesson Tutorial | Append Data to JSON File using PHP</title>  
           <script src="https://ajax.googleapis.com/ajax/libs/jquery/2.2.0/jquery.min.js"></script>  
           <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css" />  
           <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/js/bootstrap.min.js"></script>  
      </head>  
      <body>  
           <br />  
           <div class="container" style="width:500px;">  
                <h3 align="">Append Data to JSON File</h3><br />                 
                <form method="post">  
                     <?php   
                     if(isset($error))  
                     {  
                          echo $error;  
                     }  
                     ?>  
                     <br />  
                     <label>Name</label>  
                     <input type="text" name="name" class="form-control" /><br />  
                     <label>Gender</label>  
                     <input type="text" name="gender" class="form-control" /><br />  
                     <label>Designation</label>  
                     <input type="text" name="designation" class="form-control" /><br />  
                     <input type="submit" name="submit" value="Append" class="btn btn-info" /><br />                      
                     <?php  
                     if(isset($message))  
                     {  
                          echo $message;  
                     }  
                     ?>  
                </form>  
           </div>  
           <br />  
      </body>  
 </html>  

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