Online PHP editor | refs for EIG5L

<?php function getIntervalIndex(array $intervals, $needle) { $needle = (int)$needle; $len = count($intervals); $result = -1; for ($i = 0; $i < $len; $i++) { $current = $intervals[$i]; if ($current > $needle) { $result = $i - 1; break; } } return $result; } var_dump(getIntervalIndex(array(0,5,10,13), rand(-10, 20)));