Online PHP editor | refs for auZTO

<?php $arr = array(); $arr['i1']['val1'] = 99; $arr['i1']['val2'] = 100; $arr['i2']['val1'] = 89; $arr['i2']['val2'] = 101; function cmp($a, $b) { static $called = 0; echo $called++, "\n"; if ($called > 2) die('overflow'); if ($GLOBALS['arr'][$a]['val2'] > $GLOBALS['arr'][$b]['val2']) { return 1; } if ($GLOBALS['arr'][$q]['val2'] < $GLOBALS['arr'][$b]['val2']) { return -1; } return 0; } if (uksort($arr, 'cmp')) { echo "success\n"; } else { echo "failure\n"; } print_r($arr);