mirror of
https://github.com/php/doc-ru.git
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62da1c979b
many thanks to Sveta & Irina =) git-svn-id: https://svn.php.net/repository/phpdoc/ru/trunk@178510 c90b9560-bf6c-de11-be94-00142212c4b1
158 lines
4.0 KiB
XML
158 lines
4.0 KiB
XML
<?xml version="1.0" encoding="windows-1251"?>
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<!-- EN-Revision: 1.12 Maintainer: sveta Status: ready -->
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<!-- $Revision: 1.1 $ -->
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<!-- splitted from ./en/functions/array.xml, last change in rev 1.56 -->
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<refentry id="function.in-array">
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<refnamediv>
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<refname>in_array</refname>
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<refpurpose>Ïðîâåðèòü, ïðèñóòñòâóåò ëè â ìàññèâå çíà÷åíèå</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>bool</type><methodname>in_array</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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Èùåò â <parameter>haystack</parameter> çíà÷åíèå
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<parameter>needle</parameter> è âîçâðàùàåò &true;
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â ñëó÷àå óäà÷è, &false; â ïðîòèâíîì ñëó÷àå.
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</para>
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<para>
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Åñëè òðåòèé ïàðàìåòð <parameter>strict</parameter> óñòàíîâëåí â
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&true; òîãäà ôóíêöèÿ <function>in_array</function>
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òàêæå ïðîâåðèò ñîîòâåòñòâèå <link linkend="language.types">types</link>
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ïàðàìåòðà <parameter>needle</parameter> è ñîîòâåòñòâóþùåãî çíà÷åíèÿ ìàññèâà
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<parameter>haystack</parameter>.
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</para>
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<note>
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<para>
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Åñëè <parameter>needle</parameter> - ñòðîêà, ñðàâíåíèå áóäåò ðåãèñòðîçàâèñìûì.
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</para>
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</note>
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<note>
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<para>
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 PHP âåðñèé, áîëåå ðàííèõ, ÷åì 4.2.0 ïàðàìåòð <parameter>needle</parameter>
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íå ìîæåò áûòü ìàññèâîì.
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</para>
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</note>
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<para>
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<example>
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<title>Ïðèìåð èñïîëüçîâàíèÿ <function>in_array</function></title>
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<programlisting role="php">
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<![CDATA[
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<?php
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$os = array("Mac", "NT", "Irix", "Linux");
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if (in_array("Irix", $os)) {
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echo "Got Irix";
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}
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if (in_array("mac", $os)) {
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echo "Got mac";
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}
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?>
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]]>
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</programlisting>
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<para>
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Âòîðîãî ñîâïàäåíèÿ íå áóäåò, ïîòîìó ÷òî <function>in_array</function>
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ðåãèñòðîçàâèñèìà, òàêèì îáðàçîì, ïðîãðàììà âûâåäåò:
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</para>
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<screen>
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<![CDATA[
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Got Irix
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]]>
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</screen>
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</example>
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</para>
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<para>
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<example>
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<title>Ïðèìåð èñïîëüçîâàíèÿ <function>in_array</function> ñ ïàðàìåòðîì strict</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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$a = array('1.10', 12.4, 1.13);
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if (in_array('12.4', $a, true)) {
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echo "'12.4' found with strict check
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";
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}
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if (in_array(1.13, $a, true)) {
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echo "1.13 found with strict check
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";
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}
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?>
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]]>
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</programlisting>
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&example.outputs;
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<screen>
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<![CDATA[
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1.13 found with strict check
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]]>
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</screen>
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</example>
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</para>
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<para>
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<example>
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<title>Ïðèìåð èñïîëüçîâàíèÿ <function>in_array</function> ñ ìàññèâîì â êà÷åñòâå ïàðàìåòðà needle</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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$a = array(array('p', 'h'), array('p', 'r'), 'o');
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if (in_array(array('p', 'h'), $a)) {
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echo "'ph' íàéäåíî
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";
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}
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if (in_array(array('f', 'i'), $a)) {
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echo "'fi' íàéäåíî
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";
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}
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if (in_array('o', $a)) {
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echo "'o' íàéäåíî
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";
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}
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?>
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]]>
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</programlisting>
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&example.outputs;
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<screen>
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<![CDATA[
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'ph' íàéäåíî
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'o' íàéäåíî
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]]>
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</screen>
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</example>
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</para>
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<para>
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Ñì. òàêæå <function>array_search</function>,
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<function>array_key_exists</function> è
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<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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