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<refentry xml:id="function.settype" xmlns="http://docbook.org/ns/docbook">

<refnamediv>

<refname>settype</refname>

<refpurpose>Legt den Typ einer Variablen fest</refpurpose>

</refnamediv>

<refsect1 role="description">

&reftitle.description;

<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>

Legt den Typ der Variablen <parameter>var</parameter> als

<parameter>type</parameter> fest.

</para>

</refsect1>

<refsect1 role="parameters">

&reftitle.parameters;

<para>

<variablelist>

<varlistentry>

<term><parameter>var</parameter></term>

<listitem>

<para>

Die zu konvertierende Variable.

</para>

</listitem>

</varlistentry>

<varlistentry>

<term><parameter>type</parameter></term>

<listitem>

<para>

Mögliche Werte für <parameter>type</parameter> sind:

<itemizedlist>

<listitem>

<simpara>

"boolean" oder "bool"

</simpara>

</listitem>

<listitem>

<simpara>

"integer" oder "int"

</simpara>

</listitem>

<listitem>

<simpara>

"float" oder "double"

</simpara>

</listitem>

<listitem>

<simpara>

"string"

</simpara>

</listitem>

<listitem>

<simpara>

"array"

</simpara>

</listitem>

<listitem>

<simpara>

"object"

</simpara>

</listitem>

<listitem>

<simpara>

"null"

</simpara>

</listitem>

</itemizedlist>

</para>

</listitem>

</varlistentry>

</variablelist>

</para>

</refsect1>

<refsect1 role="returnvalues">

&reftitle.returnvalues;

<para>

&return.success;

</para>

</refsect1>

<refsect1 role="examples">

&reftitle.examples;

<para>

<example>

<title><function>settype</function>-Beispiel</title>

<programlisting role="php">

<![CDATA[

<?php

$foo = "5bar"; // string

$bar = true; // boolean

settype($foo, "integer"); // $foo ist jetzt 5 (integer)

settype($bar, "string"); // $bar ist jetzt "1" (string)

var_dump($foo, $bar);

?>

]]>

</programlisting>

</example>

</para>

</refsect1>

<refsect1 role="notes">

&reftitle.notes;

<note>

<para>

Der Höchstwert für den Datentyp "int" ist <constant>PHP_INT_MAX</constant>.

</para>

</note>

</refsect1>

<refsect1 role="seealso">

&reftitle.seealso;

<para>

<simplelist>

<member><function>gettype</function></member>

<member><link linkend="language.types.typecasting">Typ-Umwandlung</link></member>

<member><link linkend="language.types.type-juggling">Typen-Tricks</link></member>

</simplelist>

</para>

</refsect1>

</refentry>

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