<?php $array = array (0 => 100, "couleur" => "rouge"); print_r(array_keys ($array));
$array = array ("bleu", "rouge", "vert", "bleu", "bleu"); print_r(array_keys ($array, "bleu"));
$array = array ("couleur" => array("bleu", "rouge", "vert"), "taille" => array("petit", "moyen", "grand")); print_r(array_keys ($array)); ?>
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