$utilization[$i] = isset($_POST['utilization'][$i]) ? $_POST['utilization'][$i] : NULL; $form[$i] = isset($_POST['form'][$i]) ? $_POST['form'][$i] : NULL; } $preBoilVol = $_POST['preBoilVol']; $finalVol = $_POST['finalVol']; $desiredIBUs = $_POST['desiredIBUs']; $elevation = $_POST['elevation']; $units = $_POST['units']; // Tinseth method $ibuT = 0; $ibu_T = array_fill(0, MAX_HOPS, NULL); for ($i = 0; $i < MAX_HOPS; $i++) { if (!isset($hopWeight[$i])) { continue; } $ibu_T[$i] = calc_bitter_tinseth($utilization[$i], $gravity, $hopAA[$i], $hopWeight[$i], $finalVol, $form[$i], $units); $ibuT += $ibu_T[$i]; } // Rager Method $ibuR = 0; $ibu_R = array_fill(0, MAX_HOPS, NULL); for ($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);
$hopsForm[$i] = $_POST['hopsForm'][$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;