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5.4.17
--TEST-- The compatibility with the signature of abstract methods should be checked. --FILE-- <?php error_reporting(E_ALL); trait THelloB { public function hello() { echo 'Hello'; } } trait THelloA { public abstract function hello($a); } class TraitsTest1 { use THelloB; use THelloA; } ?> --EXPECTF-- Fatal error: Declaration of THelloA::hello($a) must be compatible with THelloB::hello() in %s on line %d