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 ($cParentID > -1) { echo "\t\tAdd to array\n"; echo "\t\tRecursive call\n"; } } function vFinal($cParentID) { if(!is_null($cParentID)) { echo "\t\tAdd to array\n"; echo "\t\tRecursive call\n"; } } // echo "Page found, with parent: cParentID = "; var_dump($cParentID); echo "\tvOriginal\n"; vOriginal($cParentID); echo "\tv1128\n"; v1128($cParentID); echo "\tv1229\n"; v1229($cParentID); echo "\tvFinal\n"; vFinal($cParentID); // echo "Page found, without parent: cParentID = "; var_dump($cParentID); echo "\tvOriginal\n"; vOriginal($cParentID); echo "\tv1128\n"; v1128($cParentID); echo "\tv1229\n"; v1229($cParentID); echo "\tvFinal\n"; vFinal($cParentID); $cParentID = null; echo "Page not found: cParentID = "; var_dump($cParentID); echo "\tvOriginal\n"; vOriginal($cParentID); echo "\tv1128\n"; v1128($cParentID); echo "\tv1229\n"; v1229($cParentID); echo "\tvFinal\n"; vFinal($cParentID);
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Page found, with parent: cParentID = NULL vOriginal v1128 v1229 vFinal Page found, without parent: cParentID = NULL vOriginal v1128 v1229 vFinal Page not found: cParentID = NULL vOriginal v1128 v1229 vFinal