array(1) { [86819]=> array(2) { [4]=> array(1) { [0]=> string(15) "青島新聞網" } [2]=> array(5) { [0]=> string(6) "肺炎" [1]=> string(6) "生鮮" [2]=> string(6) "新型" [3]=> string(6) "居家" [4]=> string(12) "冠狀病毒" } } }