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include_once

(PHP 4, PHP 5, PHP 7)

Examples:

include_once with a case insensitive OS in PHP 4

With PHP 4, _once functionality differs with case-insensitive operating systems (like Windows) so for example:

<?php
include_once "a.php"; // this will include a.php
include_once "A.php"; // this will include a.php again! (PHP 4 only)
?>

Links:

http://php.net/manual/en/function.include-once.php

doc_php

2016-02-24 15:53:04

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