PHP 8.1 introduced native Enums. Backed enums can have string or integer values, eliminating brittle string constants throughout your application code.
PHP Enums
Define strictly-typed enumerations with backed values in PHP 8.1+.
Key Takeaways: PHP Enums
Mastering PHP Enums helps you write clean and reliable PHP code. Follow standard conventions, test edge cases, and keep logic simple. Try running the code example below and complete the exercises to build confidence.
PHP Enums Code Example
PHPenum OrderStatus: string {
case Pending = "pending";
case Paid = "paid";
case Cancelled = "cancelled";
public function label(): string {
return match($this) {
self::Pending => "Awaiting Payment",
self::Paid => "Order Completed",
self::Cancelled => "Order Voided",
};
}
}
echo OrderStatus::Paid->label();Output
Order Completed
Run this example on your own computer. The "Get Started" lesson shows how to set it up.
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