--TEST-- Bug #69068: Exchanging array during array_walk -> memory errors (variation) --FILE-- <?php $array = [1, 2, 3]; $array2 = [4, 5]; array_walk($array, function(&$value, $key) use ($array2) { var_dump($value); if ($value == 2) { $GLOBALS['array'] = $array2; } $value *= 10; }); var_dump($array, $array2); ?> --EXPECT-- int(1) int(2) int(4) int(5) array(2) { [0]=> int(40) [1]=> int(50) } array(2) { [0]=> int(4) [1]=> int(5) }