sleep problem

chings

Dear All,

I need to submit a http request every 20 seconds, so i try to use sleep to help me

i set the timeout in the php script to unlimited
i set the apache timeout to 86400s ( 1 day )

then i write a script

$n = 0
while $n<1
{
fopen($url);
sleep(20);
}

is it the best way to do so ?
i found a strange thing , even i close the IE running this script , the script is still running. how can i stop it ? I finally restart the computer to stop it

thanks.

dalecosp

chings wrote:
1. is it the best way to do so ?

Probably not using the browser. PHP has a CLI mode for this sort of thing.

2. i found a strange thing , even i close the IE running this script , the script is still running. how can i stop it ? I finally restart the computer to stop it

thanks.

IE is running this script?

When did PHP become client-side, anyway?

Ignoring that, as far as question two goes, you could change it so that the while() condition was met..... :rolleyes:

$n = 0;
$count=24*60*3;  // run this 3x each minute of one day

while ($n<$count) {
   fopen($url);
   sleep(20);
   $n++;
}

At that point, it ought to stop about 24 hours from now....

chings

thanks

but the problem is that if i want to stop the script , i close the IE but it can't.

by the way , what's CLI

Weedpacket

CLI is the command-line interface.

pcthug

found a strange thing , even i close the IE running this script , the script is still running. how can i stop it ? I finally restart the computer to stop it

Try the following:

ignore_user_abort(1);

$n = 0; 
$count=24*60*3;  // run this 3x each minute of one day 

while ($n<$count) {
   if (connection_aborted()) // if you close your browser
   {
      exit; // terminate execution of the script
   }

   fopen($url); 
   sleep(20); 
   $n++; 
}

I would however suggest the PHP CLI over the cumbersome client/server interface.

chings

thanks ,

i tried it , but the script still running even i close the browswer ,

do i need to make the configuration in php.ini instead , thanks

chings

finally i use a flag to control whether continue or not .

but another problem occurs, i am using this program to fetch a website content every 10 seconds, but normally , around 80 times fetch, the broswer shows INTERNAL SERVER ERROR 500 , then end .

any method to avoid this problem , thanks