Functions are defined even if they are after return statement in included file (bug #26032)

git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@164493 c90b9560-bf6c-de11-be94-00142212c4b1
This commit is contained in:
Jakub Vrana 2004-07-27 21:17:22 +00:00
parent de8441e907
commit 6441e07fbe
2 changed files with 22 additions and 2 deletions

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@ -1,5 +1,5 @@
<?xml version="1.0" encoding="iso-8859-1"?>
<!-- $Revision: 1.27 $ -->
<!-- $Revision: 1.28 $ -->
<appendix id="migration5">
<title>Migrating from PHP 4 to PHP 5</title>
@ -107,6 +107,17 @@
<literal>-1</literal>.
</simpara>
</listitem>
<listitem>
<simpara>
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.
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.
</simpara>
</listitem>
<listitem>
<simpara>
<function>include_once</function> and <function>require_once</function>

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@ -1,5 +1,5 @@
<?xml version="1.0" encoding="iso-8859-1"?>
<!-- $Revision: 1.100 $ -->
<!-- $Revision: 1.101 $ -->
<chapter id="language.control-structures">
<title>Control Structures</title>
@ -1500,6 +1500,15 @@ echo $bar; // prints 1
If the file can't be included, &false; is returned and
<literal>E_WARNING</literal> is issued.
</simpara>
<para>
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.
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.
</para>
<simpara>
A few other ways to "include" files into variables are with
<function>fopen</function>, <function>file</function> or by using