RE: [PHP] pulling script in interval of second.

> your code did not make any sense, PHP code executing from top to bottom > line by line. you can't expect it to enter the loop and do the > unset($_SESSION) staff at the same time. > let me tell you what your code do exactly: > > 1. at first you set and unset a session key for 50 times, the $st 's value is the > time() of the 50th loop plus 10 2. you enter a loop and check if time() > $st, as > $st is time() + 10 , it is always larger than time(), so it enter the if statement > and write the temp file , then the process exist You sow my code and you got my point can you help to fix it. So if $st is large then time why it should enter if statement. It supposed to stop. Because I already mention if time>$st, so if time is greater than $st not time < $st > your code did not make any sense, PHP code executing from top to bottom > line by line. you can't expect it to enter the loop and do the > unset($_SESSION) staff at the same time. > let me tell you what your code do exactly: > > 1. at first you set and unset a session key for 50 times, the $st 's value is the > time() of the 50th loop plus 10 2. you enter a loop and check if time() > $st, as > $st is time() + 10 , it is always larger than time(), so it enter the if statement > and write the temp file , then the process exist > > > > 于 2014年07月01日 11:07, hadi 写道: > >> As http server is stateless, php can not know if a client has stop > requesting. > >> you should do your trick on the client side. > >> > >> But if you insist doing this on the server, you may need to write a > >> daemon process or crontab job , here's the step > >> > >> 1. Everytime the client make a request, your php code write a > >> timestamp in a temp file. > >> 2. Your daemon process should read this file and compare to the > >> timestamp by NOW, if it is larger than you expect ,then do the if > >> statement thing in the daemon process. > > Look what I have accomplished in my script, the problem in my script when > " session_destroy();" and " unset($_SESSION['timeout']);" happen > it > supposed to kill "timeout" then "while loop if(time() > $st) " will > stop. But > theses not happing im wondering why. Can you look in my code and see? > > > > <?php > > session_start(); > > ?> > > > > > > <?php > > > > for( $x=0; $x< 50; $x++ ) > > > > { > > > > $st = $_SESSION['timeout'] = time() + 10; > > > > session_destroy(); > > > > unset($_SESSION['timeout']); > > } > > > > $loop= true; > > > > while($loop) > > > > { > > > > if(time() > $st) > > > > { > > > > file_put_contents('/tmp/phptest1234.txt', 'test'); $loop=false; } } > > > > ?> > > > >> Hi hadi: > >> > >> As http server is stateless, php can not know if a client has stop > requesting. > >> you should do your trick on the client side. > >> > >> But if you insist doing this on the server, you may need to write a > >> daemon process or crontab job , here's the step > >> > >> 1. Everytime the client make a request, your php code write a > >> timestamp in a temp file. > >> 2. Your daemon process should read this file and compare to the > >> timestamp by NOW, if it is larger than you expect ,then do the if > >> statement thing in the daemon process. > >> > >> 于 2014年07月01日 08:21, hadi 写道: > >>>> You will have to make the script 2 parts. One to reload and the > >>>> other to execute the else (exiting). You need to use ajax to call > >>>> the php script every second (for the first part) and use the page's > >>>> onunload method to execute the second part (user exited): > >>>> > >>>> > >>>> > >>>> http://www.w3schools.com/jsref/event_onunload.asp > >>> I already tried your method with onunload, the problem with onunload > >>> when I change the page the script getting execute. > >>> > >>> I already have javascript to pull php script, just I need php script > >>> doing the flowing; when javascript stop pulling php script. Block in > >>> if statement should run. > >>> > >>> Can you give me php script ? please. > >>> > >>>> On Mon, Jun 30, 2014 at 7:56 PM, hadi <almarzuki2011@hotmail.com> > >> wrote: > >>>>> I have javascript to pull my php script every interval of second. > >>>>> > >>>>> When javascript stop pulling my php script, block in if statement > >>>>> should execute. > >>>>> > >>>>> Can someone provide me with the php script please ? > >>>>> > >>>>> Thank you. > >>>>> > >>>>> > >>>> You will have to make the script 2 parts. One to reload and the > >>>> other to execute the else (exiting). You need to use ajax to call > >>>> the php script every second (for the first part) and use the page's > >>>> onunload method to execute the second part (user exited): > >>>> > >>>> > >>>> > >>>> http://www.w3schools.com/jsref/event_onunload.asp > > > -- > PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: > http://www.php.net/unsub.php

Attachment: [application/pkcs7-signature] smime.p7s