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https://github.com/sigmasternchen/php-doc-en
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c030e2adf7
- All id attributes are now xml:id - Add docbook namespace to all root elements - Replace <ulink /> with <link xlink:href /> - Minor markup fixes here and there git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@238160 c90b9560-bf6c-de11-be94-00142212c4b1
134 lines
4.1 KiB
XML
134 lines
4.1 KiB
XML
<?xml version="1.0" encoding="iso-8859-1"?>
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<!-- $Revision: 1.8 $ -->
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<refentry xmlns="http://docbook.org/ns/docbook" xml:id="function.xml-set-processing-instruction-handler">
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<refnamediv>
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<refname>xml_set_processing_instruction_handler</refname>
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<refpurpose>
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Set up processing instruction (PI) handler
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</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>bool</type><methodname>xml_set_processing_instruction_handler</methodname>
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<methodparam><type>resource</type><parameter>parser</parameter></methodparam>
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<methodparam><type>callback</type><parameter>handler</parameter></methodparam>
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</methodsynopsis>
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<para>
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Sets the processing instruction (PI) handler function for the XML parser
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<parameter>parser</parameter>.
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</para>
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<para>
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A processing instruction has the following format:
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<informalexample>
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<programlisting><?<replaceable>target</replaceable>
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<replaceable>data</replaceable>?>
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</programlisting>
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</informalexample>
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You can put PHP code into such a tag, but be aware of one limitation: in
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an XML PI, the PI end tag (<literal>?></literal>) can not be quoted,
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so this character sequence should not appear in the PHP code you embed
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with PIs in XML documents.If it does, the rest of the PHP code, as well
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as the "real" PI end tag, will be treated as character data.
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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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<para>
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<variablelist>
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<varlistentry>
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<term><parameter>parser</parameter></term>
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<listitem>
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<para>
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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>handler</parameter></term>
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<listitem>
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<para>
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<parameter>handler</parameter> is a string containing the name of a
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function that must exist when <function>xml_parse</function> is called
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for <parameter>parser</parameter>.
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</para>
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<para>
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The function named by <parameter>handler</parameter> must accept
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three parameters:
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<methodsynopsis>
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<methodname><replaceable>handler</replaceable></methodname>
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<methodparam><type>resource</type><parameter>parser</parameter></methodparam>
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<methodparam><type>string</type><parameter>target</parameter></methodparam>
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<methodparam><type>string</type><parameter>data</parameter></methodparam>
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</methodsynopsis>
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<variablelist>
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<varlistentry>
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<term><parameter>parser</parameter></term>
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<listitem>
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<simpara>
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The first parameter, <replaceable>parser</replaceable>, is a
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reference to the XML parser calling the handler.
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</simpara>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><parameter>target</parameter></term>
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<listitem>
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<simpara>
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The second parameter, <parameter>target</parameter>, contains the PI
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target.
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</simpara>
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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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<simpara>
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The third parameter, <parameter>data</parameter>, contains the PI
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data.
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</simpara>
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</listitem>
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</varlistentry>
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</variablelist>
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</para>
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<para>
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If a handler function is set to an empty string, or &false;, the handler
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in question is disabled.
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</para>
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¬e.func-callback;
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</listitem>
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</varlistentry>
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</variablelist>
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</para>
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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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&return.success;
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</para>
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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:"../../../../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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