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<?php $a=array("Horse","Dog","Cat"); $b=array("Horse", "Cat"); print_r(array_filter(function($v) use ($b) { return (in_array($v, $b));}, $a)); ?>
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught TypeError: array_filter(): Argument #1 ($array) must be of type array, Closure given in /in/5L1mu:4 Stack trace: #0 /in/5L1mu(4): array_filter(Object(Closure), Array) #1 {main} thrown in /in/5L1mu on line 4
Process exited with code 255.

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