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<?php $array1 = array("n_1", "n_2", "n_3", "n_4" ); $array2 = array("green"); $result = array_udiff($array1, $array2, "value_compare_func"); print_r($result);
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught TypeError: array_udiff(): Argument #3 must be a valid callback, function "value_compare_func" not found or invalid function name in /in/ts9Om:4 Stack trace: #0 /in/ts9Om(4): array_udiff(Array, Array, 'value_compare_f...') #1 {main} thrown in /in/ts9Om on line 4
Process exited with code 255.

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