cvs: phpdoc-sk /reference/array/functions array-keys.xml

joseph		Sat Jan  4 21:01:31 2003 EDT

  Added files:                 
    /phpdoc-sk/reference/array/functions	array-keys.xml 
  Log:
  one per night will do
  

Index: phpdoc-sk/reference/array/functions/array-keys.xml
+++ phpdoc-sk/reference/array/functions/array-keys.xml
<?xml version="1.0" encoding="iso-8859-1"?>
<!-- EN-Revision: 1.4 Maintainer: joseph Status: ready -->
<!-- splitted from ./en/functions/array.xml, last change in rev 1.2 -->
  <refentry id="function.array-keys">
   <refnamediv>
    <refname>array_keys</refname>
    <refpurpose>Vracia v¹etky kµúèe poµa</refpurpose>
   </refnamediv>
   <refsect1>
    <title>Popis</title>
     <methodsynopsis>
      <type>array</type><methodname>array_keys</methodname>
      <methodparam><type>array</type><parameter>vstup</parameter></methodparam>
      <methodparam choice="opt"><type>mixed</type><parameter>
        hladat_hodnotu
       </parameter></methodparam>
     </methodsynopsis>
    <para>
     <function>array_keys</function> vracia kµúèe, numerické a
     re»azcové, z poµa <parameter>vstup</parameter>.
    </para>
    <para>
     Ak je ¹pecifikovaný aj voliteµný parameter <parameter>hladat_hodnotu</parameter>,
     potom sa vrátia iba kµúèe pre tú onú hodnotu. Inak sa vrátia v¹etky
     kµúèe z parametra <parameter>vstup</parameter>.
    </para>
    <para>
     <example>
      <title><function>array_keys</function> príklad</title>
      <programlisting role="php">
<![CDATA[
$pole = array (0 => 100, "farba" => "cervena");
print_r(array_keys ($pole));

$pole = array ("modra", "cervena", "zelena", "modra", "modra");
print_r(array_keys ($pole, "modra"));

$pole = array ("farba" => array("modra", "cervena", "zelena"), "velkost" => array("male", "stredne", "velke"));
print_r(array_keys ($pole));
]]>
      </programlisting>
      <para>
       Výstupom horeuvedeného programu bude:
       <screen>
<![CDATA[
Array
(
    [0] => 0
    [1] => farba
)
Array
(
    [0] => 0
    [1] => 3
    [2] => 4
)
Array
(
    [0] => farba
    [1] => velkost
)
]]>
       </screen>
      </para>
     </example>
    </para>
    <note>
     <para>
      Táto funkcia bola implementovaná do PHP 4, ni¾¹ie je uvedená
      implementácia pre u¾ívateµov PHP 3.
      <example>
       <title>
        Implementácia <function>array_keys</function> pre u¾ívateµov
        PHP 3
       </title>
       <programlisting role="php">
<![CDATA[
function array_keys ($arr, $term="") {
    $t = array();
    while (list($k,$v) = each($arr)) {
        if ($term && $v != $term) {
            continue;
        }
        $t[] = $k;
    }
    return $t;
}
]]>
       </programlisting>
      </example>
     </para>
    </note>
    <para>
     Tie¾ pozri <function>array_values</function>.
    </para>
   </refsect1>
  </refentry>

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