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<?php function value_compare_func($a, $b){ // var_dump($a, $b); if ($a === 'n_3') { return 0; } return 1; } $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 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Array ( [0] => n_1 [1] => n_2 )
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28
Array ( [1] => n_2 [3] => n_4 )
preferences:
187.68 ms | 402 KiB | 244 Q