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<?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"; } } //Page found, with parent $cParentID = '1'; echo "Page found, with parent: cParentID = "; var_dump($cParentID); echo "\tvOriginal\n"; vOriginal($cParentID); echo "\tv1128\n"; v1128($cParentID); echo "\tv1229\n"; v1229($cParentID); echo "\tvFinal\n"; vFinal($cParentID); //Page found, without parent $cParentID = '0'; echo "Page found, without parent: cParentID = "; var_dump($cParentID); echo "\tvOriginal\n"; vOriginal($cParentID); echo "\tv1128\n"; v1128($cParentID); echo "\tv1229\n"; v1229($cParentID); echo "\tvFinal\n"; vFinal($cParentID); //Page not found unset($cParentID); echo "Page not found: cParentID = "; var_dump($cParentID); echo "\tvOriginal\n"; vOriginal($cParentID); echo "\tv1128\n"; v1128($cParentID); echo "\tv1229\n"; v1229($cParentID); echo "\tvFinal\n"; vFinal($cParentID);
Output for git.master, git.master_jit, rfc.property-hooks
Page found, with parent: cParentID = string(1) "1" vOriginal Add to array Recursive call v1128 Add to array Recursive call v1229 Add to array Recursive call vFinal Add to array Recursive call Page found, without parent: cParentID = string(1) "0" vOriginal Add to array Recursive call v1128 v1229 Add to array Recursive call vFinal Add to array Recursive call Page not found: cParentID = NULL vOriginal v1128 v1229 vFinal

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