Questions about the Sleep function

Source: Internet
Author: User
Tags sleep function
When I use the sleep function, I find that access to the page is not always displayed waiting for localhost response

Set_time_limit (0); Execution time is unlimited, php default execution time is 30 seconds, you can allow the program to execute indefinitely $interval=120; do{$sql = "Select Cputotal,updatetime from systemcpu where systemid= $KeyID"; $result =mysql_query ($sql); $rows =mysql_ Fetch_array ($result); $GetTime = (Strtotime ($rows ["UpdateTime"]) -8*60*60) *1000;sleep ($interval);} while (true);

Reply to discussion (solution)

do {
while (true);

It's a dead loop, and of course it's going to wait.

Okay, I already know.
I try to use Ajax to implement

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