1/19/2024 0 Comments Php sleep command![]() For example, if you wanted to sleep your PHP script for a quarter of a second. A microsecond is one-millionth of a second. usleep () is used to delay execution in 'microseconds' while sleep () is used to delay execution in seconds. usleep () allows your code with respect to microseconds. sleep () allows your code to sleep in seconds. With this function, you can specify the number of microseconds you want the script to sleep. If there's a performance difference, it's almost certainly negligible and not worth updating the answer over. ![]() For example, sleep(0.25) will pause program. If you need to pause the execution of your PHP script for times shorter than a second, you will need to use the usleep () function. This is different than running a standard 1 second sleep loop, due to sleeping longer does not consume as much CPU. In order to delay program execution for a fraction of a second, use usleep() as the sleep() function expects an int. The sleep( ) function accepts seconds as a parameter and returns TRUE on success or FALSE on failure. This is not a replacement for multi-threading, but it could help someone that wants to do something cheap. The sleep() function in PHP is an inbuilt function which is used to delay the execution of the current script for a specified number of seconds. ![]() The sleep () function takes a single argument, which is the. It is a powerful tool that can be used to create delays and to control the rate of execution of PHP scripts. Getting Started Introduction A simple tutorial Language Reference Basic syntax Types Variables Constants Expressions Operators Control Structures Functions Classes and Objects Namespaces Enumerations Errors Exceptions Fibers Generators Attributes References Explained Predefined Variables Predefined Exceptions Predefined Interfaces and Classes Predefined Attributes Context options and parameters Supported Protocols and Wrappers Security Introduction General considerations Installed as CGI binary Installed as an Apache module Session Security Filesystem Security Database Security Error Reporting User Submitted Data Hiding PHP Keeping Current Features HTTP authentication with PHP Cookies Sessions Dealing with XForms Handling file uploads Using remote files Connection handling Persistent Database Connections Command line usage Garbage Collection DTrace Dynamic Tracing Function Reference Affecting PHP's Behaviour Audio Formats Manipulation Authentication Services Command Line Specific Extensions Compression and Archive Extensions Cryptography Extensions Database Extensions Date and Time Related Extensions File System Related Extensions Human Language and Character Encoding Support Image Processing and Generation Mail Related Extensions Mathematical Extensions Non-Text MIME Output Process Control Extensions Other Basic Extensions Other Services Search Engine Extensions Server Specific Extensions Session Extensions Text Processing Variable and Type Related Extensions Web Services Windows Only Extensions XML Manipulation GUI Extensions Keyboard Shortcuts ? This help j Next menu item k Previous menu item g p Previous man page g n Next man page G Scroll to bottom g g Scroll to top g h Goto homepage g s Goto searchĪn example of using sleep to run a set of functions at different intervals. The sleep () function is a built-in function in PHP that is used to pause the execution of a script for a specified number of seconds. ![]()
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