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
83 lines
2.3 KiB
XML
83 lines
2.3 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.arsort">
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<refnamediv>
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<refname>arsort</refname>
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<refpurpose>
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Sort an array in reverse order and maintain index association
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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>void</type><methodname>arsort</methodname>
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<methodparam><type>array</type><parameter>array</parameter></methodparam>
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<methodparam choice="opt"><type>int</type><parameter>sort_flags</parameter></methodparam>
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</methodsynopsis>
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<para>
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This function sorts an array such that array indices maintain
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their correlation with the array elements they are associated
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with. This is used mainly when sorting associative arrays where
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the actual element order is significant.
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</para>
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<example>
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<title><function>arsort</function> example</title>
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<programlisting role="php">
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<![CDATA[
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$fruits = array ("d"=>"lemon", "a"=>"orange", "b"=>"banana", "c"=>"apple");
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arsort ($fruits);
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reset ($fruits);
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while (list ($key, $val) = each ($fruits)) {
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echo "$key = $val\n";
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}
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]]>
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</programlisting>
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<para>
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This example would display:
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<screen>
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<![CDATA[
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a = orange
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d = lemon
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b = banana
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c = apple
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]]>
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</screen>
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</para>
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</example>
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<para>
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The fruits have been sorted in reverse alphabetical order, and
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the index associated with each element has been maintained.
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</para>
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<para>
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You may modify the behavior of the sort using the optional
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parameter <parameter>sort_flags</parameter>, for details
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see <function>sort</function>.
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</para>
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<para>
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See also <function>asort</function>, <function>rsort</function>,
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<function>ksort</function>, and <function>sort</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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