PHP文件写入方法,应对多线程写入:Php代码 function file_write($file_name, $text, $mode='a', $timeout=30){ $handle = fopen($file_name, $mode); while($timeout>0){ if ( flock($handle, LOCK_EX) ) { &n
1. php 文件锁定写入
简介:PHP文件写入方法,应对多线程写入: function file_write($file_name, $text, $mode='a', $timeout=30){ $handle = fopen($file_name, $mode); while($timeout>0){ if ( flock($handle, LOCK_EX) ) { $timeout--; ...
2. PHP 文件锁定写入
简介:PHP文件写入方法,应对多线程写入: function file_write($file_name, $text, $mode='a', $timeout=30){ $handle = fopen($file_name, $mode); while($timeout>0){ if ( flock($handle, LOCK_EX) ) { $timeout--; ...
3. linux - 编译php5.6 Don't know how to define struct flock on this system
简介:错误:Don't know how to define struct flock on this system, set --enable-opcache=nolibmcrytp(加密算法扩展库)是手动编译的,这个怎么办呢?
4. PHP解决抢购、秒杀、抢楼、抽奖等阻塞式高并发库存防控超量的思路方法
简介::本篇文章主要介绍了PHP解决抢购、秒杀、抢楼、抽奖等阻塞式高并发库存防控超量的思路方法,对于PHP教程有兴趣的同学可以参考一下。
简介::本篇文章主要介绍了php解决下单、抽奖并发导致的库存负数的问题,对于PHP教程有兴趣的同学可以参考一下。
6. php使用文本统计访问量的方法 php定时方法 php封装方法 php系统授权方
简介:php,的方法:php使用文本统计访问量的方法:本文实例讲述了php使用文本统计访问量的方法。分享给大家供大家参考,具体如下:方法1:$fp = fopen("counter.txt", "r+");while(!flock($fp, LOCK_EX)) { // acquire an exclusive lock// waiting to lock the file}$counter = intval(fread($fp, filesize(
简介:flock:flock 模拟flock实现文件锁定:主要提供了一种思路。 $lock0和$lock1就是文件锁定的标识符,当文件被某一用户打开的时候,$lock0和$lock1就会产生,当该文件没打开则不存在。 其实最关键就是有个标识符来表示当前这个文件的状态, $lock0和$lock1就是起这样的作用。 复制代码 代码如下:
简介:php中 flock 文件锁 详解
Introduction: PHP text manipulation class. Copy the code 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. Simulating flock to implement file locking_PHP tutorial
Introduction: Simulating flock Implement file locking. Mainly provides an idea. $lock0 and $lock1 are file lock identifiers. When the file is opened by a user, $lock0 and $lock1 will be generated. When the file is not opened, they will not exist.
[Related Q&A recommendations]:
linux - crontab calls sh to generate multiple processes?
Operation and maintenance - linux crontab scheduled tasks and flock
There is no process lock in php, is there any solution?
The above is the detailed content of 10 recommended courses on php flock() function. For more information, please follow other related articles on the PHP Chinese website!