<?php $array =Array ( 869 => 87, 938 => 89, 870 => 127, 871 => 127, 940 => 127, 942 => 123, 947 => 123, 949 => 75 ); $return = array(); foreach ($array as $key => $value) $return[$value][] = $key; var_dump(array_values($return));
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