mirror of
https://github.com/sigmasternchen/php-doc-en
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dd07341fae
git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@343888 c90b9560-bf6c-de11-be94-00142212c4b1
154 lines
4 KiB
XML
154 lines
4 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<!-- $Revision$ -->
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<refentry xml:id="function.eio-custom" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
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<refnamediv>
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<refname>eio_custom</refname>
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<refpurpose>Execute custom request like any other <emphasis>eio_*</emphasis> call</refpurpose>
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</refnamediv>
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<refsect1 role="description">
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&reftitle.description;
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<methodsynopsis>
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<type>resource</type><methodname>eio_custom</methodname>
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<methodparam><type>callable</type><parameter>execute</parameter></methodparam>
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<methodparam><type>int</type><parameter>pri</parameter></methodparam>
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<methodparam><type>callable</type><parameter>callback</parameter></methodparam>
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<methodparam
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choice="opt"><type>mixed</type><parameter>data</parameter><initializer>NULL</initializer></methodparam>
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</methodsynopsis>
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<para>
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<function>eio_custom</function> executes custom function specified by
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<parameter>execute</parameter> processing it just like any other <emphasis>eio_*</emphasis> call.
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</para>
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</refsect1>
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<refsect1 role="parameters">
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&reftitle.parameters;
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<variablelist>
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<varlistentry>
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<term><parameter>execute</parameter></term>
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<listitem>
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<para>
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Specifies the request function that should match the following prototype:
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<programlisting><![CDATA[
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mixed execute(mixed data);
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]]></programlisting>
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<parameter>callback</parameter> is event completion callback that should match the following
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prototype:
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<programlisting><![CDATA[
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void callback(mixed data, mixed result);
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]]></programlisting>
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<parameter>data</parameter> is the data passed to
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<parameter>execute</parameter> via <parameter>data</parameter> argument
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without modifications
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<parameter>result</parameter> value returned by <parameter>execute</parameter>
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><parameter>pri</parameter></term>
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<listitem>
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&eio.request.pri.values;
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><parameter>callback</parameter></term>
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<listitem>
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&eio.callback.proto;
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><parameter>data</parameter></term>
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<listitem>
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<para>
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Arbitrary variable passed to <parameter>callback</parameter>.
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</para>
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</listitem>
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</varlistentry>
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</variablelist>
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</refsect1>
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<refsect1 role="returnvalues">
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&reftitle.returnvalues;
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<para>
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<function>eio_custom</function> returns request resource on success or &false; on error.
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</para>
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</refsect1>
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<refsect1 role="examples">
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&reftitle.examples;
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<example>
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<title><function>eio_custom</function> example</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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/* Callback for the custom callback */
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function my_custom_callback($data, $result) {
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var_dump($data);
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var_dump(count($result));
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var_dump($result['data_modified']);
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var_dump($result['result']);
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}
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/* The custom request */
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function my_custom($data) {
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var_dump($data);
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$result = array(
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'result' => 1001,
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'data_modified' => "my custom data",
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);
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return $result;
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}
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$data = "my_custom_data";
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$req = eio_custom("my_custom", EIO_PRI_DEFAULT, "my_custom_callback", $data);
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var_dump($req);
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eio_event_loop();
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?>
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]]>
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</programlisting>
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&example.outputs.similar;
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<screen>
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<![CDATA[
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resource(4) of type (EIO Request Descriptor)
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string(14) "my_custom_data"
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string(14) "my_custom_data"
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int(2)
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string(14) "my custom data"
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int(1001)
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]]>
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</screen>
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</example>
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</refsect1>
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</refentry>
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<!-- Keep this comment at the end of the file
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Local variables:
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mode: sgml
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sgml-omittag:t
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sgml-shorttag:t
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sgml-minimize-attributes:nil
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sgml-always-quote-attributes:t
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sgml-indent-step:1
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sgml-indent-data:t
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indent-tabs-mode:nil
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sgml-parent-document:nil
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sgml-default-dtd-file:"~/.phpdoc/manual.ced"
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sgml-exposed-tags:nil
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sgml-local-catalogs:nil
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sgml-local-ecat-files:nil
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End:
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vim600: syn=xml fen fdm=syntax fdl=2 si
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vim: et tw=78 syn=sgml
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vi: ts=1 sw=1
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-->
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