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<?php function foo(&$x) {var_dump($x);} function bar($x){var_dump($x);} bar($bar='test'); var_dump($bar); foo($foo='test'); var_dump($foo);
Output for git.master, git.master_jit, rfc.property-hooks
string(4) "test" string(4) "test" Fatal error: Uncaught Error: foo(): Argument #1 ($x) cannot be passed by reference in /in/qeVMQ:8 Stack trace: #0 {main} thrown in /in/qeVMQ on line 8
Process exited with code 255.

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