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git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@174211 c90b9560-bf6c-de11-be94-00142212c4b1
137 lines
3.2 KiB
XML
137 lines
3.2 KiB
XML
<?xml version="1.0" encoding="iso-8859-1"?>
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<!-- $Revision: 1.11 $ -->
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<reference id="ref.wddx">
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<title>WDDX Functions</title>
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<titleabbrev>WDDX</titleabbrev>
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<partintro>
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<section id="wddx.intro">
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&reftitle.intro;
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<para>
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These functions are intended for work with <ulink
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url="&url.wddx;">WDDX</ulink>.
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</para>
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</section>
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<section id="wddx.requirements">
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&reftitle.required;
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<para>
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In order to use WDDX, you will need to install the expat library
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(which comes with Apache 1.3.7 or higher).
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</para>
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</section>
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&reference.wddx.configure;
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<section id="wddx.configuration">
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&reftitle.runtime;
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&no.config;
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</section>
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<section id="wddx.resources">
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&reftitle.resources;
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&no.resource;
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</section>
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<section id="wddx.constants">
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&reftitle.constants;
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&no.constants;
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</section>
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<section id="wddx.examples">
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&reftitle.examples;
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<para>
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All the functions that serialize variables use the first
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element of an array to determine whether the array is to be
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serialized into an array or structure. If the first element has
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string key, then it is serialized into a structure, otherwise,
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into an array.
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</para>
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<example>
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<title>Serializing a single value with WDDX</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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echo wddx_serialize_value("PHP to WDDX packet example", "PHP packet");
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?>
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]]>
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</programlisting>
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<para>
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This example will produce:
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</para>
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<screen>
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<![CDATA[
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<wddxPacket version='1.0'><header comment='PHP packet'/><data>
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<string>PHP to WDDX packet example</string></data></wddxPacket>
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]]>
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</screen>
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</example>
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<example>
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<title>Using incremental packets with WDDX</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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$pi = 3.1415926;
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$packet_id = wddx_packet_start("PHP");
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wddx_add_vars($packet_id, "pi");
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/* Suppose $cities came from database */
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$cities = array("Austin", "Novato", "Seattle");
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wddx_add_vars($packet_id, "cities");
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$packet = wddx_packet_end($packet_id);
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echo $packet;
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?>
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]]>
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</programlisting>
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<para>
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This example will produce:
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</para>
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<screen>
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<![CDATA[
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<wddxPacket version='1.0'><header comment='PHP'/><data><struct>
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<var name='pi'><number>3.1415926</number></var><var name='cities'>
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<array length='3'><string>Austin</string><string>Novato</string>
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<string>Seattle</string></array></var></struct></data></wddxPacket>
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]]>
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</screen>
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</example>
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<note>
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<para>
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If you want to serialize non-ASCII characters you have to convert
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your data to UTF-8 first (see <function>utf8_encode</function> and
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<function>iconv</function>).
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</para>
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</note>
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</section>
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</partintro>
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&reference.wddx.functions;
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</reference>
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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:"../../../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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