php sleep example

This article mainly introduces how to use the sleep function to implement scheduled task instances in PHP. This article provides multiple examples of using sleep. This article can also be used as a tutorial to learn the sleep function, if you need

PHP magic method _ sleep _ wakeup (4) ,__ sleep _ wakeup. PHP magic method _ sleep _ wakeup (4), __sleep _ wakeup serialize can serialize variables including objects and convert them into continuous bytes data. you can save the serialized variable

See this name, is not a very high-level feeling. Yes, the Magic method is really advanced. So, what is a magic method? The method, which begins with two underscores in PHP, is known as the "Magic Method" (Magic methods). such as __construct (),

Use sleep in PHP to cause MySQL read failure cases and workarounds, Sleepmysql Recently, due to project demandThe sleep function is needed to periodically fetch a heap of data from the database to perform certain operations.Sleep waits at least one

PHP sleep () function, usleep () function, sleepusleep PHP sleep () function Definition and usage The sleep () function delays code execution for several seconds.Syntax sleep (seconds)Seconds required. The pause time in seconds.Return Value If the

In some programs, there are some special features need to be used for timed execution, if the familiar Linux friends will say it is not easy, directly to a scheduled task crontab soon realized it? This can be done, but it must be known in advance of

1. PHP Sleep () function Definition and usage The sleep () function delays code execution for several seconds.Grammar Sleep (seconds)seconds required. The pause time in seconds.return value If successful, returns 0, otherwise

PHP Sleep () function Definitions and usage The sleep () function delays code execution for several seconds.Grammar Sleep (seconds)seconds required. The pause time in seconds.return value If successful, returns 0, otherwise returns

In PHP, there is a sleep function, which presumably means that the program executes when it encounters the sleep function and pauses for n seconds after execution. As sleep (10) means that the program is executed from the top down, after

Summary of magic methods in PHP: __construct, _ destruct, _ call, _ callstatic, __get, _ set, _ isset, _ unset, _ sleep, _ wakeup, _ tostring, _ set_state, _ clone and _ autoload 1. _ Get, _ setThese two methods are designed for attributes that