Online PHP editor | refs for X4Wrl

@ 2014-04-30T10:32:59Z

<?php
$intervals = array(0,5,10,12);
$len = count($intervals);
$result = -1;
$needle = -20;

for ($i = 0; $i < $len; $i++) {
    $current = $intervals[$i];

    if ($current > $needle) {
        $result = $i - 1;
        break;
    }
}

var_dump($result);