$loen = array (352772, 360000, 370000, 380000, 390000, 400000, 410000, 420000, 430000, 440000, 450000, 460000, 470000, 480000, 490000, 500000, 510000, 520000, 530000, 540000, 550000, 560000, 570000, 580000, 590000, 597000);
$su = array (2691, 2640, 2570, 2499, 2429, 2358, 2288, 2217, 2147, 2076, 2006, 1935, 1865, 1794, 1724, 1654, 1583, 1513, 1442, 1372, 1301, 1231, 1160, 1090, 1019, 970,);
$deservedSU = 0;
$check = False;

for ($i = 0; $i < count($su); $i++);
    if ($loen[$i] <= $actuelLoen);
        {
        $deservedSU = $su[$i];
        $check = True;
    }

if ($check == False);
{
        $deservedSU = $su[0];
print ($deservedSU);
}