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Oct 14, 2010 · 2. Another way to use it: if you want to execute a cronjob more often there every minute. I use the following code for this: sleep(30); include 'cronjob.php'; I call this file, and cronjob.php every minute. answered Dec 6, 2016 at 19:54.
My shared hosting prohibits / disables php sleep(). Thanks @kha – somebadhat. Commented Feb 5, 2021 at ...
Can any body explain me what is the difference among sleep() and usleep() in PHP. I have directed to use following scripts to do chat application for long pulling but in this script I am getting same effect using usleep(25000); or without usleep(25000); page1.php
Nov 2, 2017 · 99. This is your only pratical alternative: usleep - Delay execution in microseconds. So to sleep for two miliseconds: usleep( 2 * 1000 ); To sleep for a quater of a second: usleep( 250000 ); Note that sleep() works with integers, sleep(0.25) would execute as sleep(0) Meaning this function would finish immediatly.
Jul 24, 2012 · Since PHP 7.4 there will be new methods __serialize() and __unserialize() available which should slightly change the usage of __sleep and __wakeup magic methods. PHP currently provides two mechanisms for custom serialization of objects: The __sleep()/__wakeup() magic methods, as well as the Serializable interface.
This way it is possible to sleep php script for 3 seconds. Using this function you can sleep script for whole number (integer) of seconds. Using usleep() function you can define sleep time in microseconds. This sleep time is convenient for intervals that require more precise time than one second. Example:
Dec 9, 2013 · Why use sleep(1) in php? 2. How to suspend code execution in PHP and what happens while waiting. 2.
Oct 18, 2016 · Yes, you can use sleep() to delay execution, but since the output is usually buffered and isn't sent to the browser until the script has finished the result isn't what you're after. If you do a flush() and ob_flush() right after calling sleep() the output buffer is flushed and sent to the browser.
May 25, 2012 · Others have already covered the basics of sleep() and PHP script execution time limit, but you should also be aware of another risk when using really long sleep periods. Usually, when a browser sends a request to a server and does not receive any data from the server, the connection can time out.
Aug 9, 2012 · 2. There is no multithreading in PHP, so sleep() is always going to block your whole script. The way you should solve this is to record the the time of the last game, and only award points if it is more than 45 seconds later than that. || (time() - $_SESSION['last_game_time']) > 45) {. // code to award points here.
