当前路径:vendor/sebastian/type/src/Type.php <?php declare(strict_types=1); /* * This file is part of sebastian/type. * * (c) Sebastian Bergmann <sebastian@phpunit.de> * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace SebastianBergmann\Type; abstract class Type { public static function fromValue($value, bool $allowsNull): self { $typeName = \gettype($value); if ($typeName === 'object') { return new ObjectType(TypeName::fromQualifiedName(\get_class($value)), $allowsNull); } $type = self::fromName($typeName, $allowsNull); if ($type instanceof SimpleType) { $type = new SimpleType($typeName, $allowsNull, $value); } return $type; } public static function fromName(string $typeName, bool $allowsNull): self { switch (\strtolower($typeName)) { case 'callable': return new CallableType($allowsNull); case 'iterable': return new IterableType($allowsNull); case 'null': return new NullType; case 'object': return new GenericObjectType($allowsNull); case 'unknown type': return new UnknownType; case 'void': return new VoidType; case 'array': case 'bool': case 'boolean': case 'double': case 'float': case 'int': case 'integer': case 'real': case 'resource': case 'resource (closed)': case 'string': return new SimpleType($typeName, $allowsNull); default: return new ObjectType(TypeName::fromQualifiedName($typeName), $allowsNull); } } abstract public function isAssignable(Type $other): bool; abstract public function getReturnTypeDeclaration(): string; abstract public function allowsNull(): bool; }
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