75 lines
1.7 KiB
PHP
75 lines
1.7 KiB
PHP
<?php
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function obliczBMR($plec, $waga, $wzrost, $wiek) {
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if ($plec == 'm') {
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return (10 * $waga) + (6.25 * $wzrost) - (5 * $wiek) + 5;
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} else {
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return (10 * $waga) + (6.25 * $wzrost) - (5 * $wiek) - 161;
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}
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}
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function ustalCel($bmr, $cel) {
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switch ($cel) {
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case 'od': return $bmr - 500;
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case 'bu': return $bmr + 400;
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default: return $bmr;
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}
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}
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if ($_SERVER['REQUEST_METHOD'] == 'POST') {
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$waga = (float)$_POST['waga'];
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$wzrost = (float)$_POST['wzrost'];
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$wiek = (int)$_POST['wiek'];
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$plec = $_POST['plec'];
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$cel = $_POST['cel'];
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}
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$podstawa = obliczBMR($plec, $waga, $wzrost, $wiek);
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$wynik = ustalCel($podstawa, $cel);
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?>
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<!DOCTYPE html>
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<html lang="pl">
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<head>
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<meta charset="UTF-8">
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<title>Kalkulator Fitness</title>
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</head>
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<body>
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<h2>Kalkulator Kalorii</h2>
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<form method="post">
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<div>
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<label>Płeć:</label>
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<input type="radio" name="plec" value="m"> Mężczyzna
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<input type="radio" name="plec" value="k"> Kobieta
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</div>
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<div>
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<label>Waga (kg):</label>
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<input type="number" name="waga" step="0.1" required>
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</div>
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<div>
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<label>Wzrost (cm):</label>
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<input type="number" name="wzrost" required>
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</div>
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<div>
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<label>Wiek:</label>
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<input type="number" name="wiek" required>
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</div>
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<div>
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<label>Twój cel:</label>
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<select name="cel">
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<option value="ut">Utrzymanie wagi</option>
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<option value="od">Odchudzanie</option>
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<option value="bu">Budowa masy</option>
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</select>
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</div>
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<button type="submit">Oblicz zapotrzebowanie kaloryczne</button>
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</form>
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<?php if($wynik): ?>
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<div class="wynik">
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<strong>Twoje zapotrzebowanie:</strong> <?php echo round($wynik); ?> kcal dziennie.
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</div>
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<?php endif; ?>
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</body>
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</html>
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