PHP7（一）：數據庫操做（鏈接、增刪改查操做）

更新 mysqli鏈接，推薦mysql $conn = mysqli_connect('127.0.0.1','root2','root2'); mysqli_select_db($conn,'jianshu'); $sql = "select * from posts"; $result = mysqli_query($conn,$sql); while($row = mysqli_fetch_

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