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<?php interface Test { public function selfRef(Test $other); } class TestImpl implements Test { public function selfRef(Test $other) { echo var_export($other, true) . PHP_EOL; } public function nonContractSelfRef(self $other) { echo var_export($other, true) . PHP_EOL; } } $a = new TestImpl(); $b = new TestImpl(); $a->nonContractSelfRef($b);
Output for git.master, git.master_jit, rfc.property-hooks
\TestImpl::__set_state(array( ))

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