Operator Spaceship $a <=> $b mengembalikan -1 jika a < b, 0 jika a == b, dan 1 jika a > b. Operator Null Coalescing $x ?? 'default' mencegah notice undefined variable.
PHP Operators
Contoh Kode PHP Operators:
<!DOCTYPE html>
<html>
<body style="font-family: sans-serif; padding: 20px;">
<h2>Null Coalescing Operator (??)</h2>
<p><?php<br>
$user = $_GET['user'] ?? 'Tamu Mahasiswa';<br>
echo "Halo, " . $user;<br>
?></p>
<p>Hasil: <strong>Halo, Tamu Mahasiswa</strong></p>
</body>
</html>Uji kode PHP dan amati simulasi output server pada panel pratinjau di atas.