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tugas_11.php
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/
tugas_11.php
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Tugas 11</title>
</head>
<body>
<form action="tugas_11.php" method="post">
<label for="angka">Masukkan Angka:</label>
<input type="number" id="angka" name="angka"><br>
<input type="submit" value="Hitung">
</form>
<?php
if ($_SERVER["REQUEST_METHOD"] == "POST") {
$angka = isset($_POST['angka']) ? $_POST['angka'] : 0;
$jumlah_digit = 0;
while ($angka != 0) {
$angka = floor($angka / 10);
$jumlah_digit++;
}
echo "<p>Jumlah digit : $jumlah_digit</p>";
}
?>
</body>
</html>
<?php
// $angka = 12345;
// $jumlah_digit = 0;
// while ($angka != 0) {
// $angka = floor($angka / 10);
// $jumlah_digit++;
// }
// echo "Jumlah digit : $jumlah_digit";
// result : Jumlah digit : 5
?>