array(4) { [0]=> string(52) "[Mechanical Engineering Series v. 2] Giancarlo Genta" [1]=> string(81) " L. Morello - The Automotive Chassis Volume 2 System Design (Elements) (2009).pdf" [2]=> string(9) " 27332844" [3]=> string(21) " 2018-04-02 22:31:5 " }