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<?php |
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namespace Exsio\PhpObjectDecorator; |
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class PhpDecoratedObject |
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{ |
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public function __construct( |
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private readonly string $body, |
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private readonly object $obj, |
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private readonly string $className, |
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) { |
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} |
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/** |
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* @return string |
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*/ |
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public function getBody(): string |
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{ |
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return $this->body; |
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} |
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/** |
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* @return object |
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*/ |
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public function newInstance(): object |
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{ |
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return self::newInstanceOf($this->className, $this->body, $this->obj); |
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} |
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/** |
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* @return object |
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*/ |
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public static function newInstanceOf(string $className, string $body, object $obj): object |
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{ |
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try { |
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if (!class_exists($className)) { |
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eval($body); |
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} |
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$reflector = new \ReflectionClass($className); |
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$instance = $reflector->newInstanceWithoutConstructor(); |
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self::cloneProperties($instance, get_class($obj), $obj); |
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return $instance; |
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} catch (\Throwable $error) { |
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if ($error instanceof PhpObjectDecoratorException) { |
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throw $error; |
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} |
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throw new PhpObjectDecoratorException("Unable to Instantiate Decorated Class: ", $error); |
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} |
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} |
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/** |
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* @param mixed $instance |
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* @param string $class |
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* |
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* @return void |
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* @throws \ReflectionException |
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*/ |
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private static function cloneProperties(mixed $instance, string $class, object $obj): void |
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{ |
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$reflector = new \ReflectionClass($class); |
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$properties = $reflector->getProperties(); |
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foreach ($properties as $property) { |
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//sometimes \ReflectionClass returns properties from the subclasses, and that can cause |
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//an error, when trying to set a readonly property value from invalid scope |
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if ($property->isInitialized($obj) && $property->getDeclaringClass()->getName() === $class) { |
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$originalValue = $property->getValue($obj); |
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$property->setValue($instance, $originalValue); |
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} |
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} |
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foreach ($reflector->getTraits() as $traitClass) { |
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self::cloneProperties($instance, $traitClass->getName(), $obj); |
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} |
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if ($reflector->getParentClass()) { |
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self::cloneProperties($instance, $reflector->getParentClass()->getName(), $obj); |
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} |
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} |
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} |
eXsio /
php-object-decorator
