class Solution {
/**
* @param Integer[] $height
* @return Integer
*/
function maxArea($height) {
$left = 0;
$right = count($height) - 1;
$max = 0;
while ($left < $right) {
$water = min($height[$left], $height[$right]) * ($right - $left);
$max = max($max, $water);
if ($height[$left] < $height[$right]) {
$left++;
} else {
$right--;
}
}
return $max;
}
}