Add "Casting to NULL" section back, this time with correct content.

git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@322850 c90b9560-bf6c-de11-be94-00142212c4b1
This commit is contained in:
Nikita Popov 2012-01-27 16:09:45 +00:00
parent ee7bb2a07b
commit 68c00dcb1a

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@ -54,6 +54,17 @@ $var = NULL;
</para>
</sect2>
<sect2 xml:id="language.types.null.casting">
<title>Casting to <literal>NULL</literal></title>
<para>
Casting a variable to <type>null</type> using <literal>(unset) $var</literal>
will <emphasis>not</emphasis> remove the variable or unset its value.
It will only return a &null; value.
</para>
</sect2>
</sect1>