<?php
$b = 0;
function getUsage($b) {
$f = 0.0335 + ($b / 100000);
if ($b > 100) {
$usageElectricityStart = 750;
} else {
$usageElectricityStart = round($b * 7.5);
}
$gas = round($b / $f * (0.25 + (4 * $b / 10000)), -1);
$electricity = round($usageElectricityStart + $b / $f * 0.625, -1);
return array('gas' => $gas, 'electricity' => $electricity);
}
$cases = array(
1 => array('price' => 294, 'gas' => 2887, 'electricity' => 5789),
2 => array('price' => 137, 'gas' => 1527, 'electricity' => 2620),
3 => array('price' => 127, 'gas' => 750, 'electricity' => 3650),
4 => array('price' => 139, 'gas' => 1227, 'electricity' => 3201),
5 => array('price' => 230, 'gas' => 2555, 'electricity' => 4317),
6 => array('price' => 79, 'gas' => 544, 'electricity' => 2339)
);
foreach ($cases as $caseKey => $caseItem) {
echo 'CASE ' . $caseKey . ': ' . $caseItem['price'] .' EUR' . "\n";
echo 'actual gas: ' . $caseItem['gas'] . ' m3' . "\n";
echo 'actual electricity: ' . $caseItem['electricity'] . ' kWh' . "\n";
$calculatedUsage = getUsage($caseItem['price']);
echo 'calculated gas: ' . $calculatedUsage['gas'] . ' m3' . "\n";
echo 'calculated electricity: ' . $calculatedUsage['electricity'] . ' kWh' . "\n\n";
echo 'gas relative to actual: ' . round($calculatedUsage['gas'] / $caseItem['gas'] * 100, 2) . ' %' . "\n";
echo 'electricity relative to actual: ' . round($calculatedUsage['electricity'] / $caseItem['electricity'] * 100, 2) . ' %' . "\n\n\n";
}
preferences:
65.3 ms | 402 KiB | 5 Q