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<?php $a = array_combine(range(1, 10), range(1, 10)); $b = [5,6,1,2,4,7]; print_r($a, array_diff($a, $b));
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught TypeError: print_r(): Argument #2 ($return) must be of type bool, array given in /in/vNGh6:6 Stack trace: #0 /in/vNGh6(6): print_r(Array, Array) #1 {main} thrown in /in/vNGh6 on line 6
Process exited with code 255.

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