Php Code : How To Update MySQL Database Table In Php Using MySQLI

Php Code To Update Mysql Database Table Data Using MySQLI.

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In this Php Tutorial we will Learn How To Update MySQL Database Table Data From Form Inputs In Php using MYSQLI.
I Use In This Tutorial:
- NetBeans IDE .
- XAMPP .
- PhpMyAdmin .

Php Source Code:

<?php

// php code to Update data from mysql database Table

if(isset($_POST['update']))
{

$hostname = "localhost";
$username = "root";
$password = "";
$databaseName = "test_db";

$connect = mysqli_connect($hostname, $username, $password, $databaseName);

// get values form input text and number

$id = $_POST['id'];
$fname = $_POST['fname'];
$lname = $_POST['lname'];
$age = $_POST['age'];

// mysql query to Update data
$query = "UPDATE `users` SET `fname`='".$fname."',`lname`='".$lname."',`age`= $age WHERE `id` = $id";

$result = mysqli_query($connect, $query);

if($result)
{
echo 'Data Updated';
}else{
echo 'Data Not Updated';
}
mysqli_close($connect);
}

?>

<!DOCTYPE html>

<html>

<head>

<title> PHP UPDATE DATA </title>

<meta charset="UTF-8">

<meta name="viewport" content="width=device-width, initial-scale=1.0">

</head>

<body>

<form action="php_update_data_from_mysql_database_table.php" method="post">

ID To Update: <input type="text" name="id" required><br><br>

New First Name:<input type="text" name="fname" required><br><br>

New Last Name:<input type="text" name="lname" required><br><br>

New Age:<input type="number" name="age" required><br><br>

<input type="submit" name="update" value="Update Data">

</form>

</body>

</html>