array(1) { [55788]=> array(2) { [4]=> array(1) { [0]=> string(12) "青島日報(bào)" } [2]=> array(4) { [0]=> string(6) "社區(qū)" [1]=> string(9) "小學(xué)生" [2]=> string(9) "新學(xué)期" [3]=> string(8) "20170826" } } }