<?xml version="1.0" encoding="iso-8859-1"?>
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  <refentry id="function.krsort">
   <refnamediv>
    <refname>krsort</refname>
    <refpurpose>Sort an array by key in reverse order</refpurpose>
   </refnamediv>
   <refsect1>
    <title>Description</title>
     <methodsynopsis>
      <type>bool</type><methodname>krsort</methodname>
      <methodparam><type>array</type><parameter>array</parameter></methodparam>
      <methodparam choice="opt"><type>int</type><parameter>sort_flags</parameter></methodparam>
     </methodsynopsis>
    <para>
     Sorts an array by key in reverse order, maintaining key to data
     correlations. This is useful mainly for associative arrays.
    </para>
    <para>
     &return.success;
    </para>
    <para>
     <example>
      <title><function>krsort</function> example</title>
      <programlisting role="php">
<![CDATA[
<?php
$fruits = array("d"=>"lemon", "a"=>"orange", "b"=>"banana", "c"=>"apple");
krsort($fruits);
reset($fruits);
while (list($key, $val) = each($fruits)) {
    echo "$key = $val\n";
}
?>
]]>
      </programlisting>
      <para>
       This example would display:
      </para>
      <screen>
<![CDATA[
d = lemon
c = apple
b = banana
a = orange
]]>
      </screen>
     </example>
    </para>
    <para>
     You may modify the behavior of the sort using the optional
     parameter <parameter>sort_flags</parameter>, for details
     see <function>sort</function>.
    </para>
    <simpara>
     See also <function>asort</function>, <function>arsort</function>,
     <function>ksort</function>, <function>sort</function>,
     <function>natsort</function>, and <function>rsort</function>.
    </simpara>
   </refsect1>
  </refentry>

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