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paveleremin/array_reverse

Last active August 29, 2015 14:25
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Implement array_reverse() without creating new array and usage of array_pop() array_shift()
Raw
array_reverse
function array_reverse($arr) {
$length = count($arr);
for ($i=0; $i < $length/2; $i++) {
$tmp = $arr[$i];
$arr[$i] = $arr[$length - 1 - $i];
$arr[$length - 1 - $i] = $tmp;
}
}
var_dump(array_reverse([1,2,3,4,5]))
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