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How to Insert JSON data into MySQL database using PHP ?

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In this article, we are going to see how to store JSON data into MySQL database using PHP through the XAMPP server.

Requirements: XAMPP Server

Introduction: PHP is an open-source scripting language used to connect with databases and servers. MySQL is a database query language that is used to manage the data in the database to communicate with PHP. JSON stands for JavaScript object notation which stores data in narrow format.

Structure:

[{
    "data1": "value1",
    "data2": "value2",
    . . .
    "datan": "value n"
}]
 

Example: The following is the content for student.json file.

[  
  {  
    "name": "sravan kumar",  
    "gender": "Male",  
    "subject": "Software engineering"  
  },  
  {  
    "name": "sudheer",  
    "gender": "Male",  
    "subject": "deep learning"    
  },  
  {  
    "name": "radha",  
    "gender": "Female",  
    "subject": "Software engineering"  
  },  
  {  
    "name": "vani",  
    "gender": "Female",  
    "subject": "Software engineering"  
  }
]
  • MySQL INSERT statement: It is used to insert data into the database.

Syntax:

INSERT INTO table_name(col1, col2, …, col n) 
    VALUES(value1, value2, …, value n);

Used Methods:

json_decode() Method: This function is used to decode or convert a JSON object to a PHP object.

Syntax:

json_decode(string, assoc)
  • The string is the JSON data and the assoc is the boolean value.
  • If assoc is true, data is converted into an associative array.
  • false is the default value.

Approach:

  • Start XAMPP server
  • Create a table named student under database test.
  • Write PHP code to insert JSON data into student table.

Steps:

  • Start XAMPP server.
  • Create a table named student under test database.

 

  • Create JSON data and save it as college_subjects.json under xampp-htdocs folder.
[  
  {  
    "name": "sravan kumar",  
    "gender": "Male",  
    "subject": "Software engineering"  
  },  
  {  
    "name": "sudheer",  
    "gender": "Male",  
    "subject": "deep learning"    
  },  
  {  
    "name": "radha",  
    "gender": "Female",  
    "subject": "Software engineering"  
  },  
  {  
    "name": "vani",  
    "gender": "Female",  
    "subject": "Software engineering"  
  }
]

PHP code: The following is the PHP code to store JSON data and display it on the web page.

PHP

<!DOCTYPE html>
<html>
  
<head>
    <script src=
    </script>
  
    <link rel="stylesheet" href=
  
    <script src=
    </script>
  
    <style>
        .box {
            width: 750px;
            padding: 20px;
            background-color: #fff;
            border: 1px solid #ccc;
            border-radius: 5px;
            margin-top: 100px;
        }
    </style>
</head>
  
<body>
    <div class="container box">
        <h3 align="center">
            Geeks for Geeks Import JSON 
            data into database
        </h3><br />
          
        <?php
          
            // Server name => localhost
            // Username => root
            // Password => empty
            // Database name => test
            // Passing these 4 parameters
            $connect = mysqli_connect("localhost", "root", "", "test"); 
              
            $query = '';
            $table_data = '';
            
            // json file name
            $filename = "college_subjects.json";
            
            // Read the JSON file in PHP
            $data = file_get_contents($filename); 
            
            // Convert the JSON String into PHP Array
            $array = json_decode($data, true); 
            
            // Extracting row by row
            foreach($array as $row) {
  
                // Database query to insert data 
                // into database Make Multiple 
                // Insert Query 
                $query .= 
                "INSERT INTO student VALUES 
                ('".$row["name"]."', '".$row["gender"]."'
                '".$row["subject"]."'); "; 
               
                $table_data .= '
                <tr>
                    <td>'.$row["name"].'</td>
                    <td>'.$row["gender"].'</td>
                    <td>'.$row["subject"].'</td>
                </tr>
                '; // Data for display on Web page
            }
  
            if(mysqli_multi_query($connect, $query)) {
                echo '<h3>Inserted JSON Data</h3><br />';
                echo '
                <table class="table table-bordered">
                <tr>
                    <th width="45%">Name</th>
                    <th width="10%">Gender</th>
                    <th width="45%">Subject</th>
                </tr>
                ';
                echo $table_data;  
                echo '</table>';
            }
          ?>
        <br />
    </div>
</body>
  
</html>

                    

Output:

  • Open browser and type localhost/base.php

DB table

  • View the inserted data in the table.

Execution Video:



Last Updated : 13 Apr, 2021
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