php中将数据库中time由String改为时间戳

 1 <?php
 2 
 3 $serverName = "localhost"; //数据库服务器地址
 4 
 5 $uid = "sa"; //数据库用户名
 6 
 7 $pwd = "hwwlovejsy1314"; //数据库密码
 8 
 9 $connectionInfo = array("UID"=>$uid, "PWD"=>$pwd, "Database"=>"LocationAnalysisDatabase");
10 
11 $conn = sqlsrv_connect( $serverName, $connectionInfo);
12 
13 if( $conn == false){
14 
15      echo "连接失败！";
16 
17     die( print_r( sqlsrv_errors(), true)); }
18 
19 //执行有结果集的SQL语句
20 
21 $query = sqlsrv_query($conn, "select * from user_timeline_new");
22 
23 $count = 1;//用count变量来控制每次更改的数量
24 
25 while($row = sqlsrv_fetch_array($query)) 
26 
27 { 
28 
29 if($count<=274245)
30 
31 { sqlsrv_query($conn,"update user_timeline_new set time = ‘".strtotime($row[‘time‘])."‘ where uid = ‘".$row[‘uid‘]."‘ and time = ‘".$row[‘time‘]."‘"); 
32 
33 $count++; 
34 
35 }else{ break; }
36 
37 } ?>
38