Php file writing method: Php code & amp; nbsp; function & amp; nbsp; file_write ($ file_name, & amp; nbsp; $ text, & amp; nbsp; $ mode & amp; #39; a & amp; #39;, & amp; nbsp; $ timeout30) {& amp; nbsp; & amp; nbsp; $ handle & amp; nbsp; fope php file writing method, multi-thread writing: Php code function file_write ($ file_name, $ text, $ mode = 'a', $ timeout = 30) {$ handle = fopen ($ file_name, $ mode ); while ($ timeout> 0) {if (flock ($ handle, LOCK_EX) {& n
1. php file lock write
Description: PHP file writing method, used for multi-thread writing: function file_write ($ file_name, $ text, $ mode = 'a', $ timeout = 30) {$ handle = fopen ($ file_name, $ mode); while ($ timeout> 0) {if (flock ($ handle, LOCK_EX) {$ timeout --;...
3. linux-compile php5.6 Don't know how to define struct flock on this system
Introduction: Error: Don't know how to define struct flock on this system, set -- enable-opcache = nolibmcrytp (encryption algorithm Extension Library) is compiled manually. what should I do?
4. PHP solves the problems of high-concurrency inventory prevention and control over blocking formats, such as flash sales, flash sales, building snatching, and lottery.
Introduction: This article mainly introduces PHP's ideas and methods for preventing and controlling excessive blocking high-concurrency inventory, such as flash sales, flash sales, building snatching, and lottery. if you are interested in PHP tutorials, please refer to it.
5. php solves the problem of inventory negative numbers caused by order placement and lottery concurrency.
Introduction: This article describes how php solves the problem of inventory negative numbers caused by order placement and lottery concurrency. For more information about PHP tutorials, see.
6. php methods for calculating traffic by text php timing methods php encapsulation methods php system authorizer
Introduction: php, method: php uses the method of text statistics traffic: this example describes how php uses text statistics traffic. For your reference, see Method 1: $ fp = fopen ("counter.txt", "r +"); while (! Flock ($ fp, LOCK_EX) {// acquire an exclusive lock // waiting to lock the file} $ counter = intval (fread ($ fp, filesize (
7. flock simulate flock to implement file lock
Introduction: flock simulates flock to implement file lock: it mainly provides a way of thinking. $ Lock0 and $ lock1 are the identifier of the file lock. when the file is opened by a user, $ lock0 and $ lock1 are generated. when the file is not opened, it does not exist. In fact, the most important thing is to have an identifier to indicate the current state of the file. $ lock0 and $ lock1 play this role. The code is as follows:
8. flock file lock details in php
Brief introduction: flock file lock details in php
9. PHP text operations _ PHP Tutorial
Introduction: PHP text operations. The code is as follows :? Php classCtbClass {var $ file; var $ index; // create a file and write the input functionnull_write ($ new) {$ f = fopen ($ this-file, "w "); flock ($ f, LOCK_EX); fput
10. simulate flock to implement file locking _ PHP Tutorial
Introduction: simulates flock to implement file locking. It mainly provides an idea. $ Lock0 and $ lock1 are the identifier of the file lock. when the file is opened by a user, $ lock0 and $ lock1 are generated. when the file is not opened, it does not exist.
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