mirror of
https://github.com/sigmasternchen/php-doc-en
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96c9d88bad
git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@297028 c90b9560-bf6c-de11-be94-00142212c4b1
105 lines
2.8 KiB
XML
105 lines
2.8 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<!-- $Revision$ -->
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<refentry xml:id="function.override-function" xmlns="http://docbook.org/ns/docbook">
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<refnamediv>
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<refname>override_function</refname>
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<refpurpose>Overrides built-in functions</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>override_function</methodname>
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<methodparam><type>string</type><parameter>function_name</parameter></methodparam>
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<methodparam><type>string</type><parameter>function_args</parameter></methodparam>
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<methodparam><type>string</type><parameter>function_code</parameter></methodparam>
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</methodsynopsis>
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<para>
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Overrides built-in functions by replacing them in the symbol table.
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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>function_name</parameter></term>
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<listitem>
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<para>
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The function to override.
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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>function_args</parameter></term>
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<listitem>
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<para>
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The function arguments, as a comma separated string.
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</para>
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<para>
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Usually you will want to pass this parameter, as well as the
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<parameter>function_code</parameter> parameter, as a single quote
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delimited string. The reason for using single quoted strings, is to
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protect the variable names from parsing, otherwise, if you use double
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quotes there will be a need to escape the variable names, e.g.
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\<varname>$your_var</varname>.
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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>function_code</parameter></term>
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<listitem>
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<para>
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The new code for the function.
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</para>
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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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<refsect1 role="examples">
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&reftitle.examples;
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<para>
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<example>
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<title><function>override_function</function> example</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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override_function('test', '$a,$b', 'echo "DOING TEST"; return $a * $b;');
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?>
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]]>
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</programlisting>
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</example>
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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:"~/.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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