Online PHP editor | output for CNWuA

<?php error_reporting(0); function vOriginal($cParentID) { if ($cParentID > -1) { if($cParentID != $stopAt) { echo "\t\tAdd to array\n"; } echo "\t\tRecursive call\n"; } } function v1128($cParentID) { if ($cParentID > 0) { echo "\t\tAdd to array\n"; echo "\t\tRecursive call\n"; } } function v1229($cParentID) { if ($cParentID > -1) { echo "\t\tAdd to array\n"; echo "\t\tRecursive call\n"; } } $cParentID = '1'; echo "cParentID = '1'\n"; echo "\tvOriginal\n"; vOriginal($cParentID); echo "\tv1128\n"; v1128($cParentID); echo "\tv1229\n"; v1229($cParentID); $cParentID = null; echo "cParentID = null\n"; echo "\tvOriginal\n"; vOriginal($cParentID); echo "\tv1128\n"; v1128($cParentID); echo "\tv1229\n"; v1229($cParentID); unset($cParentID); echo "cParentID not set\n"; echo "\tvOriginal\n"; vOriginal($cParentID); echo "\tv1128\n"; v1128($cParentID); echo "\tv1229\n"; v1229($cParentID);