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TypeInfo Component ================== The TypeInfo component extracts PHP types information. Getting Started --------------- ```bash composer require symfony/type-info composer require phpstan/phpdoc-parser # to support raw string resolving ``` ```php <?php use Symfony\Component\TypeInfo\Type; use Symfony\Component\TypeInfo\TypeIdentifier; use Symfony\Component\TypeInfo\TypeResolver\TypeResolver; // Instantiate a new resolver $typeResolver = TypeResolver::create(); // Then resolve types for any subject $typeResolver->resolve(new \ReflectionProperty(Dummy::class, 'id')); // returns an "int" Type instance $typeResolver->resolve('bool'); // returns a "bool" Type instance // Types can be instantiated thanks to static factories $type = Type::list(Type::nullable(Type::bool())); // Type classes have their specific methods Type::object(FooClass::class)->getClassName(); Type::enum(FooEnum::class, Type::int())->getBackingType(); Type::list(Type::int())->isList(); // Every type can be cast to string (string) Type::generic(Type::object(Collection::class), Type::int()) // returns "Collection<int>" // You can check that a type (or one of its wrapped/composed parts) is identified by one of some identifiers. $type->isIdentifiedBy(Foo::class, Bar::class); $type->isIdentifiedBy(TypeIdentifier::OBJECT); $type->isIdentifiedBy('float'); // You can also check that a type satifies specific conditions $type->isSatisfiedBy(fn (Type $type): bool => !$type->isNullable() && $type->isIdentifiedBy(TypeIdentifier::INT)); ``` Resources --------- * [Documentation](https://symfony.com/doc/current/components/type_info.html) * [Contributing](https://symfony.com/doc/current/contributing/index.html) * [Report issues](https://github.com/symfony/symfony/issues) and [send Pull Requests](https://github.com/symfony/symfony/pulls) in the [main Symfony repository](https://github.com/symfony/symfony)
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