mirror of
https://github.com/sigmasternchen/php-doc-en
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2f7966f92e
git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@81901 c90b9560-bf6c-de11-be94-00142212c4b1
63 lines
2 KiB
XML
63 lines
2 KiB
XML
<?xml version="1.0" encoding="iso-8859-1"?>
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<!-- $Revision: 1.4 $ -->
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<!-- splitted from ./en/functions/array.xml, last change in rev 1.2 -->
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<refentry id="function.array-search">
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<refnamediv>
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<refname>array_search</refname>
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<refpurpose>
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Searches the array for a given value and returns the
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corresponding key if successful
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</refpurpose>
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</refnamediv>
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<refsect1>
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<title>Description</title>
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<methodsynopsis>
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<type>mixed</type><methodname>array_search</methodname>
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<methodparam><type>mixed</type><parameter>needle</parameter></methodparam>
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<methodparam><type>array</type><parameter>haystack</parameter></methodparam>
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<methodparam choice="opt"><type>bool</type><parameter>strict</parameter></methodparam>
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</methodsynopsis>
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<para>
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Searches <parameter>haystack</parameter> for
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<parameter>needle</parameter> and returns the key if it is found in
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the array, &false; otherwise.
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</para>
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<note>
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<para>
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Prior to PHP 4.2.0, <function>array_search</function> returns
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<constant>NULL</constant> on failure instead of &false;.
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</para>
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</note>
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<para>
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If the optional third parameter <parameter>strict</parameter> is set to
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&true; then the <function>array_search</function>
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will also check the types of the <parameter>needle</parameter>
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in the <parameter>haystack</parameter>.
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</para>
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&return.falseproblem;
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<para>
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See also <function>array_keys</function> and <function>in_array</function>.
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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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