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<?php interface Foo {} class Bar {} $bar = new Bar(); var_dump(is_a($bar), 'Foo');
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught ArgumentCountError: is_a() expects at least 2 arguments, 1 given in /in/FF1Kl:7 Stack trace: #0 /in/FF1Kl(7): is_a(Object(Bar)) #1 {main} thrown in /in/FF1Kl on line 7
Process exited with code 255.

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