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| <?php declare(strict_types=1); | |
| /** | |
| * Ion | |
| * | |
| * Building blocks for web development | |
| * | |
| * PHP version 7.2 | |
| * | |
| * @package Ion | |
| * @author Timothy J. Warren <tim@timshomepage.net> | |
| * @copyright 2015 - 2019 Timothy J. Warren | |
| * @license http://www.opensource.org/licenses/mit-license.html MIT License | |
| * @version 3.0.0 | |
| * @link https://git.timshomepage.net/aviat/ion | |
| */ | |
| namespace Aviat\Ion; | |
| use BadMethodCallException; | |
| use InvalidArgumentException; | |
| use ReflectionClass; | |
| use ReflectionMethod; | |
| use ReflectionProperty; | |
| /** | |
| * Friend class for testing | |
| */ | |
| class Friend { | |
| /** | |
| * Object to create a friend of | |
| * @var mixed | |
| */ | |
| private $_friend_; | |
| /** | |
| * Reflection class of the object | |
| * @var ReflectionClass | |
| */ | |
| private $_reflect_; | |
| /** | |
| * Create a friend object | |
| * | |
| * @param mixed $obj | |
| * @throws InvalidArgumentException | |
| * @throws \ReflectionException | |
| */ | |
| public function __construct($obj) | |
| { | |
| if ( ! \is_object($obj)) | |
| { | |
| throw new InvalidArgumentException('Friend must be an object'); | |
| } | |
| $this->_friend_ = $obj; | |
| $this->_reflect_ = new ReflectionClass($obj); | |
| } | |
| /** | |
| * Retrieve a friend's property | |
| * | |
| * @param string $key | |
| * @return mixed | |
| */ | |
| public function __get(string $key) | |
| { | |
| if ($this->__isset($key)) | |
| { | |
| $property = $this->_get_property($key); | |
| if ($property !== NULL) | |
| { | |
| return $property->getValue($this->_friend_); | |
| } | |
| } | |
| return NULL; | |
| } | |
| /** | |
| * See if a property exists on the friend | |
| * | |
| * @param string $name | |
| * @return bool | |
| */ | |
| public function __isset(string $name): bool | |
| { | |
| return $this->_reflect_->hasProperty($name); | |
| } | |
| /** | |
| * Set a friend's property | |
| * | |
| * @param string $key | |
| * @param mixed $value | |
| * @return void | |
| */ | |
| public function __set(string $key, $value) | |
| { | |
| if ($this->__isset($key)) | |
| { | |
| $property = $this->_get_property($key); | |
| if ($property !== NULL) | |
| { | |
| $property->setValue($this->_friend_, $value); | |
| } | |
| } | |
| } | |
| /** | |
| * Calls a protected or private method on the friend | |
| * | |
| * @param string $method | |
| * @param array $args | |
| * @return mixed | |
| * @throws BadMethodCallException | |
| * @throws \ReflectionException | |
| */ | |
| public function __call(string $method, array $args) | |
| { | |
| if ( ! $this->_reflect_->hasMethod($method)) | |
| { | |
| throw new BadMethodCallException("Method '{$method}' does not exist"); | |
| } | |
| $friendMethod = new ReflectionMethod($this->_friend_, $method); | |
| $friendMethod->setAccessible(TRUE); | |
| return $friendMethod->invokeArgs($this->_friend_, $args); | |
| } | |
| /** | |
| * Iterates over parent classes to get a ReflectionProperty | |
| * | |
| * @param string $name | |
| * @return ReflectionProperty|null | |
| */ | |
| private function _get_property(string $name): ?ReflectionProperty | |
| { | |
| try | |
| { | |
| $property = $this->_reflect_->getProperty($name); | |
| $property->setAccessible(TRUE); | |
| return $property; | |
| } | |
| // Return NULL on any exception, so no further logic needed | |
| // in the catch block | |
| catch (\Exception $e) | |
| { | |
| return NULL; | |
| } | |
| } | |
| } | |
| // End of Friend.php |