archived-doc-es/reference/array/functions/ksort.xml

<?xml version="1.0" encoding="iso-8859-1"?>
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  <refentry id="function.ksort">
   <refnamediv>
    <refname>ksort</refname>
    <refpurpose>Ordena una matriz por clave</refpurpose>
   </refnamediv>
   <refsect1>
    <title>Descripci&oacute;n</title>
     <methodsynopsis>
     <type>int</type><methodname>ksort</methodname>
     <methodparam><type>array</type><parameter>matriz</parameter></methodparam>
     </methodsynopsis>
    <para>
     Ordena una matriz por clave, manteniendo las correlaciones clave a
     dato. Esto es &uacute;til principalmente en matrices asociativas.
     <example>
      <title>Ejemplo de <function>ksort</function></title>
      <programlisting role="php">
$frutas = array ("d"=>"lim&oacute;n", "a"=>"naranja", "b"=>"pl&aacute;tano", "c"=>"manzana");
ksort ($frutas);
for (reset ($frutas); $clave = key ($frutas); next ($frutas)) {
    echo "frutas[$clave] = ".$frutas[$clave]."\n";
}
      </programlisting>
     </example>
     Este ejemplo mostrar&aacute;:
     <computeroutput>
frutas[a] = naranja
frutas[b] = pl&aacute;tano
frutas[c] = manzana
frutas[d] = lim&oacute;n
     </computeroutput>
    </para>
    <simpara>
     Vea tambi&eacute;n: <function>asort</function>, <function>arsort</function>, 
     <function>sort</function>, y <function>rsort</function>.
    </simpara>
   </refsect1>
  </refentry>

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