laravel task

 class Vehicle

{ private static function fuelTypeMapping(?string $fuelType): ?string { if (is_null($fuelType)) { return null; } return match (Str::lower($fuelType)) { 'p' => 'Petrol', 'd' => 'Diesel', 'e' => 'Electric', 'h' => 'Hybrid', default => $fuelType, }; } }

use Illuminate\Support\Str; // Import the Str class if not already imported // Assuming you have a $fuelType variable or value to pass to the method $fuelType = 'P'; // Example fuel type // Call the fuelTypeMapping method and capture the result $result = Vehicle::fuelTypeMapping($fuelType); // Handle the output if (is_null($result)) { echo "Fuel type is not specified or is null."; } else { echo "Mapped fuel type: " . $result; }

private static function fuelTypeMapping(?string $fuelType): ?string

{

    if (is_null($fuelType)) {

        return null;

    }

    $lowercaseFuelType = Str::lower($fuelType);

    $mappedFuelType = match ($lowercaseFuelType) {

        'p' => 'Petrol',

        'd' => 'Diesel',

        'e' => 'Electric',

        'h' => 'Hybrid',

        default => null, // Invalid fuel type, return null or throw an exception

    };

    if (is_null($mappedFuelType)) {

        throw new InvalidArgumentException("Invalid fuel type: {$fuelType}");

    }

    return $mappedFuelType;

}