3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?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); $cParentID = '0'; echo "cParentID = '0'\n"; echo "\tvOriginal\n"; vOriginal($cParentID); echo "\tv1128\n"; v1128($cParentID); echo "\tv1229\n"; v1229($cParentID); $cParentID = ''; echo "cParentID = ''\n"; echo "\tvOriginal\n"; vOriginal($cParentID); echo "\tv1128\n"; v1128($cParentID); echo "\tv1229\n"; v1229($cParentID); $cParentID = false; echo "cParentID = false\n"; echo "\tvOriginal\n"; vOriginal($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);
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
cParentID = '1' vOriginal Add to array Recursive call v1128 Add to array Recursive call v1229 Add to array Recursive call cParentID = '0' vOriginal Add to array Recursive call v1128 v1229 Add to array Recursive call cParentID = '' vOriginal Recursive call v1128 v1229 Add to array Recursive call cParentID = false vOriginal v1128 v1229 cParentID = null vOriginal v1128 v1229 cParentID not set vOriginal v1128 v1229