function odd($var) { return ($var % 2 == 1); }
function even($var) { return ($var % 2 == 0); }
$array1 = array ("a"=>1, "b"=>2, "c"=>3, "d"=>4, "e"=>5); $array2 = array (6, 7, 8, 9, 10, 11, 12);
echo "Нечетные :\n"; print_r(array_filter($array1, "odd")); echo "Четные :\n"; print_r(array_filter($array2, "even"));
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