include
The include and require statements allow for the insertion of the content of one PHP file into another PHP file, before the server executes it.
Including files saves quite a bit of work. You can create a standard header, footer, or menu file for all of your web pages. Then, when the header is requiring updating, you can update the header include file only.
Assume that we have a standard header file called header.php.
<?php
echo '<h1>Welcome</h1>';
?>
echo '<h1>Welcome</h1>';
?>
Use the include statement to include the header file in a page.
<html>
<body>
<?php include 'header.php'; ?>
<p>Some text.</p>
<p>Some text.</p>
</body>
</html>
<body>
<?php include 'header.php'; ?>
<p>Some text.</p>
<p>Some text.</p>
</body>
</html>
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