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<?php $array1 = array('hello'); $array2 = array('hello', 'world'); print_r( array_unique($array1, $array2));
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught TypeError: array_unique(): Argument #2 ($flags) must be of type int, array given in /in/8BaY1:6 Stack trace: #0 /in/8BaY1(6): array_unique(Array, Array) #1 {main} thrown in /in/8BaY1 on line 6
Process exited with code 255.

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