我想在5秒后调用一个mysql查询

Question

我想在5秒后调用一个mysql查询。我的代码在下面，但它不起作用请帮助我：

<?php

$connect = mysql_connect("localhost","root","");

mysql_select_db("test",$connect);

$time= date('s');

$time2 = $time+5;


if($time==$time2){
mysql_query("UPDATE table_name SET name='John'
where user_name='test'");

}

?>

Answer 1

使用睡眠功能：

sleep(5);
//run query

您的代码：

$connect = mysql_connect("localhost","root","");

mysql_select_db("test",$connect);

sleep(5);

mysql_query("UPDATE table_name SET name='John'
where user_name='test'");

顺便说一句，我必须注意到这听起来像是一个糟糕的主意。

Answer 2

<?php
$connect = mysql_connect("localhost","root","");
mysql_select_db("test",$connect);

sleep(5); // will halt process for 5secs
mysql_query("UPDATE table_name SET name='John' where user_name='test'");
?>