Klasifikasi menu lungsur teknologi klasifikasi pembangunan PHP Klasifikasi menu lungsur (2)

<?php header("content-type:text/html;charset=utf8"); $link = mysqli_connect('localhost','username','password','test'); mysqli_set_charset($link, "utf8"); if (!$link) { die("连接失败:".mysqli_connect_error()); } function getList($pid=0,&$result=array(),$space=0){ global $link; $space=$space+2; $sql="select * from class where pid = $pid"; $res = mysqli_query($link,$sql); while ($row = mysqli_fetch_assoc($res)){ $row['title']=str_repeat(' ',$space).'|-- '.$row['title']; $result[]=$row; getList($row['id'],$result,$space); } return $result; } $rs=getList(); print_r($rs); ?>