vent.php

    <?php
    
    namespace Vent;
    
    trait VentTrait {
        
        /**
         * Handle a write request
         * @param $name
         * @param $value
         */
        public function __set($name, $value)
        {
            $ventMethodName = 'ventWrite' . ucfirst($name);
            if(method_exists($this, $ventMethodName)) return $this->$ventMethodName();
        }
    
    
        /**
         * Handle read request
         * @param $name
         * @return mixed
         * @throws \Exception
         */
        public function &__get($name)
        {
            $ventMethodName = 'ventRead' . ucfirst($name);
            if(method_exists($ventMethodName)) return $this->$ventMethodName();
        }
        
        public function ventThrow($message)
        {
            throw new Exception($message);
        }
        
    }
    
    class Ventable {
        
        use VentTrait;
        
        private $foo;
        
        private function ventReadFoo()
        {
            $this->ventThrow('No. No $foo for you!');
        }
        
        private function ventWriteFoo()
        {
            $this->ventThrow('No.');
        }
        
    }