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Explain this a bit

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git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@164369 c90b9560-bf6c-de11-be94-00142212c4b1
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Jakub Vrana 2004-07-26 20:38:58 +00:00
parent 4ec46c0db6
commit 3a35f32f02
1 changed files with 4 additions and 1 deletions
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5
language/references.xml
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@ -1,5 +1,5 @@
<?xml version="1.0" encoding="iso-8859-1"?>
<!-- $Revision: 1.29 $ -->
<!-- $Revision: 1.30 $ -->
<chapter id="language.references">
<title>References Explained</title>
@ -112,6 +112,9 @@ echo "var2 is set to '$var2'\n"; // var2 is set to 'Example variable'
]]>
</programlisting>
</example>
Think about <literal>global $var;</literal> as a shortcut to <literal>$var
=&amp; $GLOBALS['var'];</literal>. Thus assigning other reference
to <literal>$var</literal> only changes the local variable's reference.
</para>
</warning>
<para>