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<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<refentry xml:id="closure.call" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
<refnamediv>
<refname>Closure::call</refname>
<refpurpose>Binds and calls the closure</refpurpose>
</refnamediv>
<refsect1 role="description"><!-- {{{ -->
&reftitle.description;
<methodsynopsis role="Closure">
<modifier>public</modifier> <type>mixed</type><methodname>Closure::call</methodname>
<methodparam><type>object</type><parameter>newThis</parameter></methodparam>
<methodparam rep="repeat"><type>mixed</type><parameter>args</parameter></methodparam>
</methodsynopsis>
<para>
Temporarily binds the closure to <parameter>newThis</parameter>, and calls
it with any given parameters.
</para>
</refsect1><!-- }}} -->
<refsect1 role="parameters"><!-- {{{ -->
&reftitle.parameters;
<variablelist>
<varlistentry>
<term><parameter>newThis</parameter></term>
<listitem>
<para>
The <type>object</type> to bind the closure to for the duration of the
call.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>args</parameter></term>
<listitem>
<para>
Zero or more parameters, which will be given as parameters to the
closure.
</para>
</listitem>
</varlistentry>
</variablelist>
</refsect1><!-- }}} -->
<refsect1 role="returnvalues"><!-- {{{ -->
&reftitle.returnvalues;
<para>
Returns the return value of the closure.
</para>
</refsect1><!-- }}} -->
<refsect1 role="examples">
&reftitle.examples;
<example>
<title><function>Closure::call</function> example</title>
<programlisting role="php">
<![CDATA[
<?php
class Value {
protected $value;
public function __construct($value) {
$this->value = $value;
}
public function getValue() {
return $this->value;
}
}
$three = new Value(3);
$four = new Value(4);
$closure = function ($delta) { var_dump($this->getValue() + $delta); };
$closure->call($three, 4);
$closure->call($four, 4);
?>
]]>
</programlisting>
&example.outputs;
<screen>
<![CDATA[
int(7)
int(8)
]]>
</screen>
</example>
</refsect1>
</refentry>
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