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fixed #20437 by adding a note

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git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@137922 c90b9560-bf6c-de11-be94-00142212c4b1
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ali 2003-08-16 01:29:37 +00:00
parent 38754fb943
commit ffc7a9431d
1 changed files with 28 additions and 1 deletions
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29
language/variables.xml
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@ -1,5 +1,5 @@
<?xml version="1.0" encoding="iso-8859-1"?>
<!-- $Revision: 1.68 $ -->
<!-- $Revision: 1.69 $ -->
<chapter id="language.variables">
<title>Variables</title>
@ -552,6 +552,33 @@ function Test()
</programlisting>
</example>
</para>
<note>
<para>
Static variables maybe declared as seen in the examples above.
Trying to assign values to these variables which are the
result of expressions will cause a parse error.
</para>
<para>
<example>
<title>Declaring static variables</title>
<programlisting role="php">
<![CDATA[
<?php
function foo(){
static $int = 0; // correct
static $int = 1+2; // wrong (as it is an expression)
static $int = sqrt(121); // wrong (as it is an expression too)
$int++;
echo $int;
}
?>
]]>
</programlisting>
</example>
</para>
</note>
</sect2>
<sect2 id="language.variables.scope.references">