Description:
------------
Exception seems not working. Please see the example code below.


Reproduce code:
---------------
try{
    non_existant_function();
}catch(Exception $e){
  echo "Exception thrown:" . $e->getMessage();
}


Expected result:
----------------
Expected to throw exception in above code but the script dies with a Fatal error: call no non existant function ...


Actual result:
--------------
Fatal Error: call to non existant function non_existant_function().