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<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision: 329774 $ -->
<refentry xml:id="eventlistener.setcallback" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
<refnamediv>
<refname>EventListener::setCallback</refname>
<refpurpose>The setCallback purpose</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<modifier>public</modifier>
<type>void</type>
<methodname>EventListener::setCallback</methodname>
<methodparam>
<type>callable</type>
<parameter>cb</parameter>
</methodparam>
<methodparam
choice="opt">
<type>mixed</type>
<parameter>arg</parameter>
<initializer>&null;</initializer>
</methodparam>
</methodsynopsis>
<para>
Adjust event connect listener's callback and optionally the callback
argument.
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<variablelist>
<varlistentry>
<term>
<parameter>cb</parameter>
</term>
<listitem>
<para>
The new callback for new connections. Ignored if &null;.
</para>
<para>
Should match the following prototype:
</para>
<methodsynopsis>
<type>void</type>
<methodname>callback</methodname>
<methodparam
choice="opt">
<type>EventListener</type>
<parameter>listener</parameter>
<initializer>&null;</initializer>
</methodparam>
<methodparam
choice="opt">
<type>mixed</type>
<parameter>fd</parameter>
<initializer>&null;</initializer>
</methodparam>
<methodparam
choice="opt">
<type>array</type>
<parameter>address</parameter>
<initializer>&null;</initializer>
</methodparam>
<methodparam
choice="opt">
<type>mixed</type>
<parameter>arg</parameter>
<initializer>&null;</initializer>
</methodparam>
</methodsynopsis>
<para>
<variablelist>
<varlistentry>
<term>
<parameter>listener</parameter>
</term>
<listitem>
<para>
The
<classname>EventListener</classname>
object.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>
<parameter>fd</parameter>
</term>
<listitem>
<para>
The file descriptor or a resource associated with the listener.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>
<parameter>address</parameter>
</term>
<listitem>
<para>
Array of two elements: IP address and the
<emphasis>server</emphasis>
port.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>
<parameter>arg</parameter>
</term>
<listitem>
<para>
User custom data attached to the callback.
</para>
</listitem>
</varlistentry>
</variablelist>
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>
<parameter>arg</parameter>
</term>
<listitem>
<para>
Custom user data attached to the callback. Ignored if &null;.
</para>
</listitem>
</varlistentry>
</variablelist>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
&return.void;
</para>
</refsect1>
</refentry>
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