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archived-doc-fr/reference/array/functions/array-unique.xml
Damien Seguy dabd551680 spring cleaning
git-svn-id: https://svn.php.net/repository/phpdoc/fr/trunk@114911 c90b9560-bf6c-de11-be94-00142212c4b1
2003-02-06 03:55:39 +00:00

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XML

<?xml version="1.0" encoding="iso-8859-1"?>
<!-- splitted from ./fr/functions/array.xml, last change in rev 1.30 -->
<!-- last change to 'array-unique' in en/ tree in rev 1.2 -->
<refentry id="function.array-unique">
<refnamediv>
<refname>array_unique</refname>
<refpurpose>D&eacute;doublonne un tableau</refpurpose>
</refnamediv>
<refsect1>
<title>Description</title>
<methodsynopsis>
<type>array</type><methodname>array_unique</methodname>
<methodparam><type>array</type><parameter>array</parameter></methodparam>
</methodsynopsis>
<para>
<function>array_unique</function> prend le tableau
<parameter>array</parameter> et retourne un nouveau tableau,
compl&egrave;tement d&eacute;doublonn&eacute;.
</para>
<note>
<simpara>
Deux &eacute;l&eacute;ments sont consid&eacute;r&eacute;s comme &eacute;gaux si et seulement si
<literal>(string) $elem1 === (string) $elem2</literal>. En clair :
lorsque la repr&eacute;sentation en cha&icirc;ne de caract&egrave;res est identique.
<!-- TODO: example of it... -->
</simpara>
</note>
<warning>
<simpara>
Cette fonction &eacute;tait inutilisable en PHP 4.0.4!
<!-- TODO: when exactly was this broken?... -->
</simpara>
</warning>
<para>
Notez que les cl&eacute;s sont pr&eacute;serv&eacute;es.
<function>array_unique</function> conserve la cl&eacute; de la
premi&egrave;re valeur rencontr&eacute;e, et ignore toutes les suivantes.
</para>
<para>
<example>
<title>Exemple avec <function>array_unique</function></title>
<programlisting role="php">
<![CDATA[
<?php
$input = array ("a" => "vert", "rouge", "b" => "vert", "bleu", "rouge");
$result = array_unique ($input);
print_r($result);
?>
]]>
</programlisting>
<para>
Cela va afficher :
<screen role="php">
<![CDATA[
Array
(
[a] => vert
[0] => rouge
[1] => bleu
)
]]>
</screen>
</para>
</example>
</para>
<para>
<example>
<title><function>array_unique</function> et les types de valeurs</title>
<programlisting role="php">
<![CDATA[
<?php
$input = array (4,"4","3",4,3,"3");
$result = array_unique ($input);
var_dump($result);
?>
]]>
</programlisting>
<para>
Le r&eacute;sultat du programme sera (PHP 4.0.6) :
<screen role="php">
<![CDATA[
array(2) {
[3]=>
int(4)
[4]=>
int(3)
}
]]>
</screen>
</para>
</example>
</para>
</refsect1>
</refentry>
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