--TEST-- Bug #51552 (debug_backtrace() causes segmentation fault and/or memory issues) --FILE-- <?php function walk($element, $key, $p) { $backtrace = debug_backtrace(); echo "$element\n"; } $a = array(1,2,3,4,5,6,7,8,9,10); array_walk($a, 'walk', 'testthis'); ?> --EXPECT-- 1 2 3 4 5 6 7 8 9 10