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<?php function odd($var) { // является ли переданное число нечетным return($var & 1); } function even($var) { // является ли переданное число четным return(!($var & 1)); } $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"));
Output for git.master, git.master_jit, rfc.property-hooks
Нечетные: Array ( [a] => 1 [c] => 3 [e] => 5 ) Четные: Array ( [0] => 6 [2] => 8 [4] => 10 [6] => 12 )

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