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<?php function foo(callable $bar = null) { } foo(null); foo(function() {}); foo('strpos'); foo('foo'); foo(array(new SplFixedArray(), 'fromArray')); foo(array('SplFixedArray', 'fromArray')); foo('SplFixedArray::fromArray');
Output for git.master, git.master_jit, rfc.property-hooks

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