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<?php $ar = array(); $result = in_array('test', null, true); echo $result;
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught TypeError: in_array(): Argument #2 ($haystack) must be of type array, null given in /in/Vc9RR:4 Stack trace: #0 /in/Vc9RR(4): in_array('test', NULL, true) #1 {main} thrown in /in/Vc9RR on line 4
Process exited with code 255.

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