<?php $array = array( 'A' => array(1, 2, 3, 4), 'B' => array(5, 6), 'C' => array('a', 'b', 'c')); $values=0; $val = array(""); function makeCombinations($array,$values){ foreach($array as $value) { if(is_array($value)) makeCombinations($value,$values); else { $val[$values] = $values; $values++; } } } makeCombinations($array,$values); print_r($val); //echo $values;
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