array(5) { [0]=> string(17) "Richard L. Burden" [1]=> string(37) " J. Douglas Faires-Numerical Analysis" [2]=> string(37) " 9th Edition -Brooks Cole (2010).pdf" [3]=> string(9) " 15247927" [4]=> string(21) " 2016-04-17 19:19:5 " }