--TEST-- Test isset() function : basic functionality --FILE-- ===DONE=== --EXPECT-- *** Testing isset() : basic functionality *** Integer test: YES Float test: YES String test: YES Array test: YES Boolean test: YES Null test: NO Object test: YES Resource test: YES Unset the variables Integer test: NO Float test: NO String test: NO Array test: NO Boolean test: NO Null test: NO Object test: NO Resource test: NO ===DONE===