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<?php interface xi { public function fetchObject ($class_name = "stdClass" , $ctor_args = NULL); } class xc extends PDOStatement implements xi { } function foo(xi $x) { } foo(new xc);
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Declaration of PDOStatement::fetchObject(?string $class = "stdClass", array $constructorArgs = []): object|false must be compatible with xi::fetchObject($class_name = 'stdClass', $ctor_args = null) in /in/b464p on line 0
Process exited with code 255.

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