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run code in 150+ php & hhvm versions
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<?php function odd($var) { // returns whether the input integer is odd return($var & 1); } function calculate($res, $period, $elements, $per, $total, $brand = false) { $array1 = array("a"=>1, "b"=>2, "c"=>3, "d"=>4, "e"=>5); $array2 = array(6, 7, 8, 9, 10, 11, 12); echo "Odd :\n"; print_r(array_filter($array1, "odd")); } calculate(1,1,1,1,1,1); ?>
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Odd : Array ( [a] => 1 [c] => 3 [e] => 5 )