function EnumRequirement::__construct

@template T of \BackedEnum

Parameters

class-string<T>|list<T> $cases:

File

vendor/symfony/routing/Requirement/EnumRequirement.php, line 25

Class

EnumRequirement

Namespace

Symfony\Component\Routing\Requirement

Code

public function __construct(string|array $cases = []) {
    if (\is_string($cases)) {
        if (!is_subclass_of($cases, \BackedEnum::class, true)) {
            throw new InvalidArgumentException(\sprintf('"%s" is not a "BackedEnum" class.', $cases));
        }
        $cases = $cases::cases();
    }
    else {
        $class = null;
        foreach ($cases as $case) {
            if (!$case instanceof \BackedEnum) {
                throw new InvalidArgumentException(\sprintf('Case must be a "BackedEnum" instance, "%s" given.', get_debug_type($case)));
            }
            $class ??= $case::class;
            if (!$case instanceof $class) {
                throw new InvalidArgumentException(\sprintf('"%s::%s" is not a case of "%s".', get_debug_type($case), $case->name, $class));
            }
        }
    }
    $this->requirement = implode('|', array_map(static fn($e) => preg_quote($e->value), $cases));
}