[PHP] pobierz, plaintext 
<?php
enum Fruit {
	case Apple;
	case Banana;
	case Orange;
}
 
$fruit = Fruit::Orange;
if ($fruit === Fruit::Banana) {
	echo 'no na pewno banan';
}
 
// wyjątek - Fruit::Apple to obiekt klasy Fruit
echo Fruit::Apple;
[PHP] pobierz, plaintext 

[PHP] pobierz, plaintext 
<?php
enum Fruit: string {
	case Apple = 'jabłko';
	case Banana = 'banan';
	case Orange = 'pomarańcza';
 
	// a tu dodatkowo metoda:
	public function canMakeJuice(): bool
	{
		return $this !== self::Banana;
	}
}
 
echo Fruit::Apple->value; // jabłko
var_dump(Fruit::Banana->canMakeJuice()); // false
[PHP] pobierz, plaintext 

[PHP] pobierz, plaintext 
switch ($statusCode) {
    case 200:
    case 300:
        $message = null;
        break;
    case 400:
        $message = 'not found';
        break;
    case 500:
        $message = 'server error';
        break;
    default:
        $message = 'unknown status code';
        break;
}
[PHP] pobierz, plaintext 

[PHP] pobierz, plaintext 
$message = match ($statusCode) {
    200, 300 => null,
    400 => 'not found',
    500 => 'server error',
    default => 'unknown status code',
};
[PHP] pobierz, plaintext 

[PHP] pobierz, plaintext 
$statusCode = '200';
 
$message = match ($statusCode) {
    200 => null,
    default => 'unknown status code',
};
 
// $message = 'unknown status code'
[PHP] pobierz, plaintext 

[PHP] pobierz, plaintext 
$statusCode = 400;
 
$message = match ($statusCode) {
    200 => 'perfect',
};
 
// UnhandledMatchError
[PHP] pobierz, plaintext 

[PHP] pobierz, plaintext 
switch ($statusCode) {
    case 200:
    case 300:
    case 400:
        $message = 'combined expressions';
        break;
  }
[PHP] pobierz, plaintext 

[PHP] pobierz, plaintext 
$message = match ($statusCode) {
    200, 300, 301, 302 => 'combined expressions',
};
[PHP] pobierz, plaintext 

[PHP] pobierz, plaintext 
$message = [
    $this->matchesRegex($line) => 'match A',
    $this->matchesOtherRegex($line) => 'match B',
][$line] ?? 'no match';
[PHP] pobierz, plaintext 

[PHP] pobierz, plaintext 
$message = match ($statusCode) {
    200 => null,
    500 => throw new ServerError(),
    default => 'unknown status code',
};
[PHP] pobierz, plaintext