$ibu_R = array_fill(0, MAX_HOPS, NULL);
for ($i = 0; $i < MAX_HOPS; $i++) {
if (!isset($hopWeight[$i])) {
continue;
}
$ibu_R[$i] = calc_bitter_rager($utilization[$i], $gravity, $hopAA[$i], $hopWeight[$i], $finalVol, $form[$i], $units);
$ibuR += $ibu_R[$i];
}
// Daniels Method
$ibuD = 0;
$ibu_D = array_fill(0, MAX_HOPS, NULL);
for ($i = 0; $i < MAX_HOPS; $i++) {
if (!isset($hopWeight[$i])) {
continue;
}
$ibu_D[$i] = calc_bitter_daniels($utilization[$i], $gravity, $hopAA[$i], $hopWeight[$i], $finalVol, $form[$i], $units);
$ibuD += $ibu_D[$i];
}
// Garetz Method
$ibuG = 0;
$ibu_G = array_fill(0, MAX_HOPS, NULL);
if ($preBoilVol > 0 && $desiredIBUs > 0 && $elevation >= 0) {
for ($i = 0; $i < MAX_HOPS; $i++) {
if (!isset($hopWeight[$i])) {
continue;
}
$ibu_G[$i] = calc_bitter_garetz($utilization[$i], $gravity, $hopAA[$i], $hopWeight[$i], $finalVol, $form[$i], $units, $preBoilVol, $desiredIBUs, $elevation);
$ibuG += $ibu_G[$i];
}
}
}
// ------------------------------ Calculations ----------------------------------- //
$units = $measureWeight1 == "grams" ? "metric" : "us";
$ibuT = 0;
$ibuD = 0;
$ibuG = 0;
$ibuR = 0;
$ibuAvg = 0;
if ($og > 1.0 && $brewYield > 0) {
for ($i = 0; $i < MAX_HOPS; $i++) {
if ($hopsWeight[$i] && $hopsAA[$i]) {
$hopsAAU[$i] = $hopsWeight[$i] * $hopsAA[$i];
if ($hopsTime[$i] && $hopsForm[$i]) {
$format = $hopsForm[$i] == "Pellet" ? "pellet" : "whole";
$ibuT += calc_bitter_tinseth($hopsTime[$i], $og, $hopsAA[$i], $hopsWeight[$i], $brewYield, $format, $units);
$ibuR += calc_bitter_rager($hopsTime[$i], $og, $hopsAA[$i], $hopsWeight[$i], $brewYield, $format, $units);
$ibuD += calc_bitter_daniels($hopsTime[$i], $og, $hopsAA[$i], $hopsWeight[$i], $brewYield, $format, $units);
$ibuG += 0;
// Not enough data to do calc properly
}
}
}
}
$ibuAvg = $ibuT + $ibuR + $ibuD;
if ($ibuAvg > 0) {
if ($ibuG > 0) {
$ibuAvg += $ibuG;
$ibuAvg /= 4;
} else {
$ibuAvg /= 3;
}
if ($results != "verify") {
