PHPLesson 460 of 901

PHP include_once Keyword

Use `include_once` to add a footer to a page:

reference

Example

Use include_once to add a footer to a page:

html

  <!DOCTYPE html>
<html>
<body>

<h1>Welcome to my home
  page!</h1>
<p>Some text.</p>
<p>Some more text.</p>
<?php include_once
  'footer.php';?>

</body>
</html>

Definition and Usage

The include_once keyword is used to embed PHP code from another file. If the file is not found, a warning is shown and the program continues to run. If the file was already included previously, this statement will not include it again.

The include keyword
The require keyword
The require_once keyword