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<?php class Foo { public $a = 'hello'; } interface Loggable { public function log(Foo $queueName = null); } class QMSLogger implements Loggable { public function log(Foo $queueName = null) { echo $queueName !== null ? $queueName->a : "Foo"; } } $foo = new QMSLogger(); $foo->log(Foo());
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught Error: Call to undefined function Foo() in /in/qihFm:22 Stack trace: #0 {main} thrown in /in/qihFm on line 22
Process exited with code 255.

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