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- <?php
- /*
- * This file is part of Psy Shell.
- *
- * (c) 2012-2023 Justin Hileman
- *
- * For the full copyright and license information, please view the LICENSE
- * file that was distributed with this source code.
- */
- namespace Psy;
- /**
- * Helpers for bypassing visibility restrictions, mostly used in code generated
- * by the `sudo` command.
- */
- class Sudo
- {
- /**
- * Fetch a property of an object, bypassing visibility restrictions.
- *
- * @param object $object
- * @param string $property property name
- *
- * @return mixed Value of $object->property
- */
- public static function fetchProperty($object, string $property)
- {
- $prop = self::getProperty(new \ReflectionObject($object), $property);
- return $prop->getValue($object);
- }
- /**
- * Assign the value of a property of an object, bypassing visibility restrictions.
- *
- * @param object $object
- * @param string $property property name
- * @param mixed $value
- *
- * @return mixed Value of $object->property
- */
- public static function assignProperty($object, string $property, $value)
- {
- $prop = self::getProperty(new \ReflectionObject($object), $property);
- $prop->setValue($object, $value);
- return $value;
- }
- /**
- * Call a method on an object, bypassing visibility restrictions.
- *
- * @param object $object
- * @param string $method method name
- * @param mixed $args...
- *
- * @return mixed
- */
- public static function callMethod($object, string $method, ...$args)
- {
- $refl = new \ReflectionObject($object);
- $reflMethod = $refl->getMethod($method);
- $reflMethod->setAccessible(true);
- return $reflMethod->invokeArgs($object, $args);
- }
- /**
- * Fetch a property of a class, bypassing visibility restrictions.
- *
- * @param string|object $class class name or instance
- * @param string $property property name
- *
- * @return mixed Value of $class::$property
- */
- public static function fetchStaticProperty($class, string $property)
- {
- $prop = self::getProperty(new \ReflectionClass($class), $property);
- $prop->setAccessible(true);
- return $prop->getValue();
- }
- /**
- * Assign the value of a static property of a class, bypassing visibility restrictions.
- *
- * @param string|object $class class name or instance
- * @param string $property property name
- * @param mixed $value
- *
- * @return mixed Value of $class::$property
- */
- public static function assignStaticProperty($class, string $property, $value)
- {
- $prop = self::getProperty(new \ReflectionClass($class), $property);
- $refl = $prop->getDeclaringClass();
- if (\method_exists($refl, 'setStaticPropertyValue')) {
- $refl->setStaticPropertyValue($property, $value);
- } else {
- $prop->setValue($value);
- }
- return $value;
- }
- /**
- * Call a static method on a class, bypassing visibility restrictions.
- *
- * @param string|object $class class name or instance
- * @param string $method method name
- * @param mixed $args...
- *
- * @return mixed
- */
- public static function callStatic($class, string $method, ...$args)
- {
- $refl = new \ReflectionClass($class);
- $reflMethod = $refl->getMethod($method);
- $reflMethod->setAccessible(true);
- return $reflMethod->invokeArgs(null, $args);
- }
- /**
- * Fetch a class constant, bypassing visibility restrictions.
- *
- * @param string|object $class class name or instance
- * @param string $const constant name
- *
- * @return mixed
- */
- public static function fetchClassConst($class, string $const)
- {
- $refl = new \ReflectionClass($class);
- do {
- if ($refl->hasConstant($const)) {
- return $refl->getConstant($const);
- }
- $refl = $refl->getParentClass();
- } while ($refl !== false);
- return false;
- }
- /**
- * Construct an instance of a class, bypassing private constructors.
- *
- * @param string $class class name
- * @param mixed $args...
- */
- public static function newInstance(string $class, ...$args)
- {
- $refl = new \ReflectionClass($class);
- $instance = $refl->newInstanceWithoutConstructor();
- $constructor = $refl->getConstructor();
- $constructor->setAccessible(true);
- $constructor->invokeArgs($instance, $args);
- return $instance;
- }
- /**
- * Get a ReflectionProperty from an object (or its parent classes).
- *
- * @throws \ReflectionException if neither the object nor any of its parents has this property
- *
- * @param \ReflectionClass $refl
- * @param string $property property name
- *
- * @return \ReflectionProperty
- */
- private static function getProperty(\ReflectionClass $refl, string $property): \ReflectionProperty
- {
- $firstException = null;
- do {
- try {
- $prop = $refl->getProperty($property);
- $prop->setAccessible(true);
- return $prop;
- } catch (\ReflectionException $e) {
- if ($firstException === null) {
- $firstException = $e;
- }
- $refl = $refl->getParentClass();
- }
- } while ($refl !== false);
- throw $firstException;
- }
- }
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