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Added two notes that isset() and unset() are language constructs.

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git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@75909 c90b9560-bf6c-de11-be94-00142212c4b1
This commit is contained in:
Sander Roobol 2002-03-30 11:30:56 +00:00
parent 0921f97a07
commit b296189503
1 changed files with 11 additions and 1 deletions
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12
functions/var.xml
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@ -1,5 +1,5 @@
<?xml version="1.0" encoding="iso-8859-1"?>
<!-- $Revision: 1.100 $ -->
<!-- $Revision: 1.101 $ -->
<reference id="ref.variables">
<title>Variable Functions</title>
<titleabbrev>Variables</titleabbrev>
@ -798,6 +798,11 @@ show_var($proteins)
<methodparam choice="opt"><type>mixed</type><parameter>var</parameter></methodparam>
<methodparam choice="opt"><parameter>...</parameter></methodparam>
</methodsynopsis>
<note>
<para>
<function>isset</function> is a language construct.
</para>
</note>
<simpara>
Returns &true; if <parameter>var</parameter>
exists; &false; otherwise.
@ -1215,6 +1220,11 @@ if (!odbc_execute ($stmt, &$sqldata) || !odbc_fetch_into ($stmt, &$tmp)) {
<methodparam choice="opt"><type>mixed</type><parameter>var</parameter></methodparam>
<methodparam choice="opt"><parameter>...</parameter></methodparam>
</methodsynopsis>
<note>
<para>
<function>unset</function> is a language construct.
</para>
</note>
<para>
<function>unset</function> destroys the specified variables. Note
that in PHP 3, <function>unset</function> will always return &true;