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<?xml version="1.0" encoding="iso-8859-1"?>
<!-- $Revision: 1.7 $ -->
<!-- splitted from ./en/functions/var.xml, last change in rev 1.2 -->
<refentry id="function.settype">
<refnamediv>
<refname>settype</refname>
<refpurpose>Set the type of a variable</refpurpose>
</refnamediv>
<refsect1>
<title>Description</title>
<methodsynopsis>
<type>bool</type><methodname>settype</methodname>
<methodparam><type>mixed</type><parameter role="reference">var</parameter></methodparam>
<methodparam><type>string</type><parameter>type</parameter></methodparam>
</methodsynopsis>
<para>
Set the type of variable <parameter>var</parameter> to
<parameter>type</parameter>.
</para>
<para>
Possibles values of <parameter>type</parameter> are:
<itemizedlist>
<listitem>
<simpara>
"boolean" (or, since PHP 4.2.0, "bool")
</simpara>
</listitem>
<listitem>
<simpara>
"integer" (or, since PHP 4.2.0, "int")
</simpara>
</listitem>
<listitem>
<simpara>
"float" (only possible since PHP 4.2.0, for older versions use the
deprecated variant "double")
</simpara>
</listitem>
<listitem>
<simpara>
"string"
</simpara>
</listitem>
<listitem>
<simpara>
"array"
</simpara>
</listitem>
<listitem>
<simpara>
"object"
</simpara>
</listitem>
<listitem>
<simpara>
"null" (since PHP 4.2.0)
</simpara>
</listitem>
</itemizedlist>
</para>
<para>
&return.success;
</para>
<para>
<example>
<title><function>settype</function> example</title>
<programlisting role="php">
<![CDATA[
<?php
$foo = "5bar"; // string
$bar = true; // boolean
settype($foo, "integer"); // $foo is now 5 (integer)
settype($bar, "string"); // $bar is now "1" (string)
?>
]]>
</programlisting>
</example>
</para>
<para>
See also <function>gettype</function>,
<link linkend="language.types.typecasting">type-casting</link> and
<link linkend="language.types.type-juggling">type-juggling</link>.
</para>
</refsect1>
</refentry>
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