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php Programming Glossary: ping

Whats the easiest way to determine is a user in online? (PHP/MYSQL)

http://stackoverflow.com/questions/1051895/whats-the-easiest-way-to-determine-is-a-user-in-online-php-mysql

to know they are still active even when they're not jumping from page to page include a bit of javascript to ping your server.. jumping from page to page include a bit of javascript to ping your server every 60 seconds or so to let you know they are..

Caching HTTP responses when they are dynamically created by PHP

http://stackoverflow.com/questions/10596116/caching-http-responses-when-they-are-dynamically-created-by-php

content For dynamic content you want the browser to ping you every time but only send the page contents if there's something.. absolute date of last contents change When the browser pings your script again they will add the following request headers..

PHP: running scheduled jobs (cron jobs)

http://stackoverflow.com/questions/120228/php-running-scheduled-jobs-cron-jobs

Ping site and return result in PHP

http://stackoverflow.com/questions/1239068/ping-site-and-return-result-in-php

now for example and will return true or false. Help php ping share improve this question function urlExists url NULL..

Run process with realtime output in PHP

http://stackoverflow.com/questions/1281140/run-process-with-realtime-output-in-php

will return its output in realtime. For example if I run 'ping' process it should update my page every time it returns a new.. of process when someone is leaving the page. In case of 'ping' process I am still able to see the process running in the system.. share improve this question This worked for me cmd ping 127.0.0.1 descriptorspec array 0 array pipe r stdin is a pipe..

How to implement a chat room using Jquery/PHP?

http://stackoverflow.com/questions/4174521/how-to-implement-a-chat-room-using-jquery-php

in a natural way and possibly also how to show 'X is typing..' messages in private chat. The obvious way seems to be that.. to be that every X seconds milliseconds the javascript pings the server and fetches a list of new messages between the last.. server and fetches a list of new messages between the last ping and now. However this can make the interface seem a bit unnatural..

curl and ping - how to check whether a website is either up or down?

http://stackoverflow.com/questions/4607684/curl-and-ping-how-to-check-whether-a-website-is-either-up-or-down

and ping how to check whether a website is either up or down I want.. there any way to check the status of the site Can we use ping to check the status It is sufficient for me to get the status.. might help me a lot. php curl webserver http status codes ping share improve this question something like this should work..

Pinging an IP address using PHP and echoing the result

http://stackoverflow.com/questions/8030789/pinging-an-ip-address-using-php-and-echoing-the-result

function that I doesn't work so far. I would like to ping an IP address and then to echo whether the IP is alive or not... and then to echo whether the IP is alive or not. function pingAddress ip pingresult shell_exec start b ping ip n 1 dead Request.. whether the IP is alive or not. function pingAddress ip pingresult shell_exec start b ping ip n 1 dead Request timed out...

Solving “MySQL server has gone away” errors

http://stackoverflow.com/questions/8689649/solving-mysql-server-has-gone-away-errors

question You might be inclined to handle this problem by pinging the mysql server before a query. This is a bad idea. For.. is a bad idea. For more on why check this SO post Should I ping mysql server before each query The best way to handle the issue.. each query The best way to handle the issue is by wrapping queries inside try catch blocks and catching any database exceptions..

how to ping a server port with php?

http://stackoverflow.com/questions/9841635/how-to-ping-a-server-port-with-php

to ping a server port with php i want a php code that give you the.. server port with php i want a php code that give you the ping of and ip port i have found a similar one but it only work for.. but it only work for web site not on ip port php function ping host port timeout tB microtime true fP fSockOpen host port errno..