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<?php function key_compare_func($a, $b) { print "$a - $b\n"; $a = "|$a"; $b = "|$b"; if ($a == $b) { return 0; } return $a < $b ? -1 : 1; } $array1 = array("a" => "green", "b" => "Brown", "c" => "blue", 0 => "red"); $array2 = array(0 => "red", "a" => "green", "b" => "Brown", "c" => "blue"); $result = array_diff_uassoc($array1, $array2, "key_compare_func"); print_r($result);
Output for git.master, git.master_jit, rfc.property-hooks
a - b b - c c - 0 b - 0 a - 0 0 - a a - b b - c 0 - 0 a - 0 a - a b - 0 b - a b - b c - 0 c - a c - b c - c Array ( )

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