First attempt to manage Attributes like C# property in PHP

Object.class.php

<?php

	/**
	 * 
	 * This should be the base class for any other class in a project.
	 * 
	 * @author ajacques
	 *
	 */
	class Object {

		/**
		 * 
		 * All the properties except those from Object class
		 * 
		 * @var array
		 */
		private $properties = [];

		/**
		 * Constructor - Load the properties into the $properties 
		 */
		public function Object() {
			$ref = new ReflectionClass($this);
			
			$this->loadProperties($ref);
		}

		/**
		 * 
		 * This function loads all the properties from the ReflectionClass received in parameter
		 * 
		 * @param ReflectionClass $_ref
		 */
		private function loadProperties(ReflectionClass $_ref) {
			$properties = $_ref->getProperties();
			
			foreach ($properties as $property) {
				if ($property->getDeclaringClass()->getName() !== 'Object') {
					$this->properties[] = $property->getName();
				}
			}
		}

		/**
		 * 
		 * This method is called when any type of reading is done into the code. It will check the syntax and if the
		 * property exists. If so, it return the value of this property. Otherwise, error will be thrown. Must be mapped
		 * to a get[Name] method.
		 * 
		 * echo $Object->Value;
		 * Will call __get with $_name = 'Value'. Then if all validation is ok, it will call the function getValue(), 
		 * where Value is $_name.
		 * 
		 * @param string $_name
		 * @throws Exception - Invalid property name
		 * @throws Exception - Property [name] doesn't exists
		 * @return mixed
		 */
		public function __get($_name) {
			if ($_name === ucfirst($_name)) {
				if (in_array(lcfirst($_name), $this->properties)) {
					return $this->{'get' . $_name}();
				} else {
					throw new Exception('Object - Property ' . $_name . ' doesn\'t exists');
				}
			} else {
				throw new Exception('Object - Invalid property name');
			}
		}

		/**
		 * 
		 * This method is called when any type of affectation is done into the code. It will check the syntax and if the
		 * property exists. If so, it change the value of this property. Otherwise, error will be thrown. Must be mapped
		 * to a set[Name] method.
		 * 
		 * Example
		 * 
		 * $object->Value = 3;
		 * Will call __set with $_name = 'Value' and $_value = 3. Then if all validation is ok, it will call the
		 * function setValue(3) where Value is the $_name and 3 the $_value.
		 * 
		 * @param unknown_type $_name
		 * @param unknown_type $_value
		 * @throws Exception
		 */
		public function __set($_name, $_value) {
			if ($_name === ucfirst($_name)) {
				if (in_array(lcfirst($_name), $this->properties)) {
					return $this->{'set' . $_name}($_value);
				} else {
					throw new Exception('Object - Property ' . $_name . ' doesn\'t exists');
				}
			} else {
				throw new Exception('Object - Invalid property name');
			}
		}
		
		/**
		 * 
		 * Will throw an error if no method has been declared.
		 * 
		 * That way, you can define read-only attribute by not defining the set[Name] and it will trigger and exception.
		 * 
		 * @param string $_name
		 * @param array $_arguments
		 * @throws Exception Method [name] doesn't exists
		 */
		public function __call($_name, $_arguments) {
			throw new Exception('Object - Method ' . $_name . ' doesn\'t exists');
		}

	}

?>