Online PHP editor | output for jGAYM

<?php function save_order() { if(1==1){ throw new exception('caught exception'); } }; save_order(); function set_order_number() { echo 'SET_ORDER_NUMBER'.PHP_EOL; }; echo 'running'; function set_plan_id() { echo 'SET PLAN ID'.PHP_EOL; }; try{ save_order(); //for testing purposed, guaranteed to throw exception set_order_number(); set_plan_id(); //WHY DOES THIS STILL EXECUTE? }catch(Exception $e){ header('Internal Server Error', true, 500); //echo http_response_code().PHP_EOL; echo json_encode(array('msg'=>$e->getMessage())); exit; }