Kontrol Alur

If Statement

<?php
$usia = 18;

if ($usia >= 18) {
    echo "Kamu sudah dewasa";
}
?>

If-Else Statement

<?php
$nilai = 75;

if ($nilai >= 80) {
    echo "Grade A";
} else {
    echo "Grade B";
}
?>

If-Elseif-Else Statement

<?php
$nilai = 75;

if ($nilai >= 90) {
    echo "Grade A";
} elseif ($nilai >= 80) {
    echo "Grade B";
} elseif ($nilai >= 70) {
    echo "Grade C";
} else {
    echo "Grade D";
}
?>

Switch Statement

<?php
$hari = "Senin";

switch ($hari) {
    case "Senin":
        echo "Hari Kerja";
        break;
    case "Sabtu":
    case "Minggu":
        echo "Hari Libur";
        break;
    default:
        echo "Hari tidak dikenal";
}
?>

Ternary Operator

<?php
$usia = 20;
$status = ($usia >= 18) ? "Dewasa" : "Belum Dewasa";
echo $status;
?>