mirror of
https://github.com/sigmasternchen/php-doc-en
synced 2025-04-01 00:38:55 +00:00

git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@333267 c90b9560-bf6c-de11-be94-00142212c4b1
150 lines
3.7 KiB
XML
150 lines
3.7 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
|
|
<!-- $Revision$ -->
|
|
|
|
<refentry xml:id="gearmanworker.addfunction" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
|
|
<refnamediv>
|
|
<refname>GearmanWorker::addFunction</refname>
|
|
<refpurpose>Register and add callback function</refpurpose>
|
|
</refnamediv>
|
|
|
|
<refsect1 role="description">
|
|
&reftitle.description;
|
|
<methodsynopsis>
|
|
<modifier>public</modifier> <type>bool</type><methodname>GearmanWorker::addFunction</methodname>
|
|
<methodparam><type>string</type><parameter>function_name</parameter></methodparam>
|
|
<methodparam><type>callable</type><parameter>function</parameter></methodparam>
|
|
<methodparam choice="opt"><type>mixed</type><parameter role="reference">context</parameter></methodparam>
|
|
<methodparam choice="opt"><type>int</type><parameter>timeout</parameter></methodparam>
|
|
</methodsynopsis>
|
|
<para>
|
|
Registers a function name with the job server and specifies a callback corresponding to that
|
|
function. Optionally specify extra application context data to be used when the callback is
|
|
called and a timeout.
|
|
</para>
|
|
</refsect1>
|
|
|
|
<refsect1 role="parameters">
|
|
&reftitle.parameters;
|
|
<para>
|
|
<variablelist>
|
|
<varlistentry>
|
|
<term><parameter>function_name</parameter></term>
|
|
<listitem>
|
|
<para>
|
|
The name of a function to register with the job server
|
|
</para>
|
|
</listitem>
|
|
</varlistentry>
|
|
<varlistentry>
|
|
<term><parameter>function</parameter></term>
|
|
<listitem>
|
|
<para>
|
|
A callback that gets called when a job for the registered function name is submitted
|
|
</para>
|
|
</listitem>
|
|
</varlistentry>
|
|
<varlistentry>
|
|
<term><parameter>context</parameter></term>
|
|
<listitem>
|
|
<para>
|
|
A reference to arbitrary application context data that can be modified by the worker function
|
|
</para>
|
|
</listitem>
|
|
</varlistentry>
|
|
<varlistentry>
|
|
<term><parameter>timeout</parameter></term>
|
|
<listitem>
|
|
<para>
|
|
An interval of time in seconds
|
|
</para>
|
|
</listitem>
|
|
</varlistentry>
|
|
</variablelist>
|
|
</para>
|
|
</refsect1>
|
|
|
|
<refsect1 role="returnvalues">
|
|
&reftitle.returnvalues;
|
|
<para>
|
|
&return.success;
|
|
</para>
|
|
</refsect1>
|
|
|
|
<refsect1 role="examples">
|
|
&reftitle.examples;
|
|
<para>
|
|
<example>
|
|
<title>Simple worker making use of extra application context data</title>
|
|
<programlisting role="php">
|
|
<![CDATA[
|
|
<?php
|
|
|
|
# get a gearman worker
|
|
$worker= new GearmanWorker();
|
|
|
|
# add the default server (localhost)
|
|
$worker->addServer();
|
|
|
|
# define a variable to hold application data
|
|
$count= 0;
|
|
|
|
# add the "reverse" function
|
|
$worker->addFunction("reverse", "reverse_cb", $count);
|
|
|
|
# start the worker
|
|
while ($worker->work());
|
|
|
|
function reverse_cb($job, &$count)
|
|
{
|
|
$count++;
|
|
return "$count: " . strrev($job->workload());
|
|
}
|
|
|
|
?>
|
|
]]>
|
|
</programlisting>
|
|
<para>
|
|
Running a client that submits two jobs for the reverse function would have
|
|
output similar to the following:
|
|
</para>
|
|
<screen>
|
|
<![CDATA[
|
|
1: olleh
|
|
2: dlrow
|
|
]]>
|
|
</screen>
|
|
</example>
|
|
</para>
|
|
</refsect1>
|
|
|
|
<refsect1 role="seealso">
|
|
&reftitle.seealso;
|
|
<para>
|
|
<simplelist>
|
|
<member><methodname>GearmanClient::do</methodname></member>
|
|
</simplelist>
|
|
</para>
|
|
</refsect1>
|
|
|
|
</refentry>
|
|
|
|
<!-- Keep this comment at the end of the file
|
|
Local variables:
|
|
mode: sgml
|
|
sgml-omittag:t
|
|
sgml-shorttag:t
|
|
sgml-minimize-attributes:nil
|
|
sgml-always-quote-attributes:t
|
|
sgml-indent-step:1
|
|
sgml-indent-data:t
|
|
indent-tabs-mode:nil
|
|
sgml-parent-document:nil
|
|
sgml-default-dtd-file:"~/.phpdoc/manual.ced"
|
|
sgml-exposed-tags:nil
|
|
sgml-local-catalogs:nil
|
|
sgml-local-ecat-files:nil
|
|
End:
|
|
vim600: syn=xml fen fdm=syntax fdl=2 si
|
|
vim: et tw=78 syn=sgml
|
|
vi: ts=1 sw=1
|
|
-->
|