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# many of these files are outdated git-svn-id: https://svn.php.net/repository/phpdoc/ru/trunk@164779 c90b9560-bf6c-de11-be94-00142212c4b1
67 lines
2.0 KiB
XML
67 lines
2.0 KiB
XML
<?xml version="1.0" encoding="windows-1251"?>
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<!-- EN-Revision: 1.5 Maintainer: tronic Status: ready -->
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<!-- $Revision: 1.3 $ -->
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<!-- splitted from ./en/functions/array.xml, last change in rev 1.119 -->
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<refentry id="function.array-key-exists">
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<refnamediv>
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<refname>array_key_exists</refname>
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<refpurpose>Ïðîâåðèòü, ïðèñóòñòâóåò ëè â ìàññèâå óêàçàííûé êëþ÷ èëè èíäåêñ</refpurpose>
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</refnamediv>
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<refsect1>
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<title>Îïèñàíèå</title>
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<methodsynopsis>
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<type>ëîãè÷åñêîå</type><methodname>array_key_exists</methodname>
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<methodparam><type>ñìåøàííîå</type><parameter>êëþ÷</parameter></methodparam>
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<methodparam><type>ìàññèâ</type><parameter>èñõîäíûé_ìàññèâ</parameter></methodparam>
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</methodsynopsis>
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<para>
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Ôóíêöèÿ <function>array_key_exists</function> âîçâðàùàåò &true;, åñëè
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â ìàññèâå ïðèñóòñòâóåò óêàçàííîå çíà÷åíèå <parameter>êëþ÷</parameter>.
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Ïàðàìåòð <parameter>êëþ÷</parameter> ìîæåò áûòü ëþáûì çíà÷åíèåì,
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êîòîðîå ïîäõîäèò äëÿ îïèñàíèÿ èíäåêñà ìàññèâà.
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</para>
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<para>
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<example>
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<title>Ïðèìåð èñïîëüçîâàíèÿ <function>array_key_exists</function></title>
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<programlisting role="php">
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<![CDATA[
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$search_array = array("first" => 1, "second" => 4);
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if (array_key_exists("first", $search_array)) {
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echo "The 'first' element is in the array";
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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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<note>
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<simpara>
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 PHP âåðñèè 4.0.6 íàçâàíèå ýòîé ôóíêöèè - <function>key_exists</function>.
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</simpara>
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</note>
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<para>
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Ñì.òàêæå <function>isset</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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