public function get($key){

		if(!is_null($this->args))
			if(in_array($key, array_keys($this->args)))
				return $this->args[$key];

		return null;
	}
public function get($key){

		if(!is_null($this->args))
			if(in_array($key, array_keys($this->args)))
				return $this->args[$key];

		return null;
	}
public function get ( $ key ) { if ( ! is_null ( $ this -> args ) ) if ( in_array ( $ key , array_keys ( $ this -> args ) ) ) return $ this -> args [ $ key ] ; return null ; }
get single input value

@param string $key

@return string
get single input value