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git-svn-id: https://svn.php.net/repository/phpdoc/it/trunk@314534 c90b9560-bf6c-de11-be94-00142212c4b1
99 lines
2.6 KiB
XML
99 lines
2.6 KiB
XML
<?xml version="1.0" encoding="UTF-8"?>
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<!-- splitted from ./it/functions/array.xml, last change in rev 1.11 -->
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<!-- last change to 'array-keys' in en/ tree in rev 1.2 -->
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<!-- EN-Revision: n/a Maintainer: cucinato Status: ready -->
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<!-- OLD-Revision: 1.173/EN.1.2 -->
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<refentry xml:id="function.array-keys" xmlns="http://docbook.org/ns/docbook">
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<refnamediv>
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<refname>array_keys</refname>
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<refpurpose>Restituisce tutte le chiavi di un array</refpurpose>
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</refnamediv>
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<refsect1>
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<title>Descrizione</title>
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<methodsynopsis>
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<type>array</type><methodname>array_keys</methodname>
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<methodparam><type>array</type><parameter>input</parameter></methodparam>
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<methodparam choice="opt"><type>mixed</type><parameter>
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valore_ricerca
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</parameter></methodparam>
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</methodsynopsis>
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<para>
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<function>array_keys</function> rstituisce le chiavi, numeriche e
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stringa, dell'array <parameter>input</parameter>.
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</para>
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<para>
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Se il parametro opzionale <parameter>valore_ricerca</parameter> è specificato,
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solo le chiavi che corrispondono a quel valore vengono restituite. Altrimenti, vengono restituite tutte
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le chiavi dell'array <parameter>input</parameter>.
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</para>
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<para>
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<example>
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<title>Esempio di <function>array_keys</function></title>
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<programlisting role="php">
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<![CDATA[
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?php
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$array = array(0 => 100, "colore" => "rosso");
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print_r(array_keys($array))
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$array = array("blu", "rosso", "verde", "blu", "blu");
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print_r(array_keys($array, "blu"));
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$array = array("colore" => array("blu", "rosso", "verde"),
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"misura" => array("piccola", "media", "grande"));
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print_r(array_keys($array));
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?>
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]]>
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</programlisting>
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<para>
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Il risultato di questo programma sarà:
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</para>
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<screen>
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<![CDATA[
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Array
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(
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[0] => 0
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[1] => colore
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)
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Array
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(
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[0] => 0
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[1] => 3
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[2] => 4
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)
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Array
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(
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[0] => colore
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[1] => misura
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)
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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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Vedere anche <function>array_values</function> e
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<function>array_key_exists</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:"~/.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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