Require statements in PHP -PHP Coders point- Learn php online

require 'filename';
OR
require_once 'filename';

<html>
<body>
<p>Main file content</p>
<?php
require 'include_file.php';
?>
</body>
</html>

<?php
echo "<p>Require file content</p>";
?>

Output:

Main file content
Include file content

<html>
<body>
<?php
require_once 'include_file.php';
echo "Main File content :- Welcome to $name.";
?>
</body>
</html>

<?php
$name='PHPCodersPoint';
?>

Output:

Main File content :- Welcome to PHPCodersPoint.