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include and return in PHP 4 (bug #30723)

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git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@172298 c90b9560-bf6c-de11-be94-00142212c4b1
This commit is contained in:
Jakub Vrana 2004-11-08 22:26:22 +00:00
parent 34ebe16c9f
commit 6ae6e45e80
1 changed files with 3 additions and 2 deletions
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5
language/control-structures.xml
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@ -1,5 +1,5 @@
<?xml version="1.0" encoding="iso-8859-1"?>
<!-- $Revision: 1.109 $ -->
<!-- $Revision: 1.110 $ -->
<chapter id="language.control-structures">
<title>Control Structures</title>
@ -1539,7 +1539,8 @@ echo $bar; // prints 1
If there are functions defined in the included file, they can be used in the
main file independent if they are before <function>return</function> or after.
If the file is included twice, PHP 5 issues fatal error because functions
were already declared, while PHP 4 doesn't complain about it.
were already declared, while PHP 4 doesn't complain about functions
defined after <function>return</function>.
It is recommended to use <function>include_once</function> instead of
checking if the file was already included and conditionally return inside
the included file.