Use cookies to track and identify users in PHP

Let's take a look at what's saved in the browser. If you use IE5, there is a directory of cookies in the Windows directory, there are many text files, the filenames are similar to Wudong@15seconds[1].txt, this is the browser to save the value of the

Simple Nginx Load Balance example

MORE: http://www.webyang.net/Html/web/article_137.html Nginx is configured to run in the form of a reverse proxy, and the actual processing of the request needs to be forwarded to the backend server for execution. Back-end servers may have one or

Summary: Apache/tomcat/jboss/jetty/nginx differences

Summary: Apache/tomcat/jboss/nginx differences. 1, Apache is a Web server, Tomcat is an application (Java) server. Tomcat is commonly used in small and medium-sized systems and in situations where concurrent access users are not many. Apache

First post: Optional parameters in PHP function prototypes Why do you write this?

First, let's start. Write something simple. Just started to learn PHP, when looking at PHP manual encountered a problem: in the function prototype with optional parameters, the optional parameters of the wording can not understand. such as the

PECL-Is there a website specifically downloaded for PHP extensions under Windows?

For example, there is a website called msdn.itellyou, specifically download software under Windows. Is there a web site dedicated to downloading various extensions of PHP under Windows? A lot of pecl are not available on the Windows version

PHP header to solve garbled problems and other garbled problems

Transfer from http://www.jb51.net/article/22501.htm PHP header to define a PHP page for UTF encoding or GBK encoding PHP page is UTF encoded header ("content-type:text/html; Charset=utf-8 "); PHP page is GBK encoded header

As the socket long connection server, Swoole if you want to be active to the user who is already connected, the user uid=123, push a message should be how to write?

Well, this should be a rookie-level problem, but I can't even read the documentation. Reply content: Well, this should be a rookie-level problem, but I can't even read the documentation. The socket for PHP is a resource type:Resource (4) of

Ajax settings Access-control-allow-origin for cross-domain access

Ajax cross-domain access is an old problem, a lot of solutions, more commonly used is the JSONP method, the JSONP method is an unofficial method , and this method only supports get mode, not as secure as post. Even if you use the Jsonp method of

PHP Object-oriented oop-interface interface

Like most object-oriented programming languages, PHP does not support multiple inheritance. This means that each class can inherit only one parent class. To solve this problem, PHP introduced the interface, the idea of the interface is to specify a

Debug Tool-Phpinfo never see the installed Xdebug module inside

Follow the tutorials on the web to configure such as: However, the installed Xdebug module is not always visible in the Phpinfo Reply content: Follow the tutorials on the web to configure such as: However, the installed Xdebug module is not

After opening the Opcache, WordPress completely unresponsive?

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My WordPress used a period of time, developed a theme, after installing a number of plug-ins, the performance of the site declined, so it is intended to open the Opcache, but after the opening, the site is completely unresponsive (after the request

Use the Glob method to traverse all files under a folder

Traversing all files under a folder, you can generally use the Opendir and Readdir methods to traverse. Example: Find all the PHP files in the specified directory (do not search subfolders), the code is as follows: $path = dirname(__FILE_

Ten principles of excellent API design-brother even it education

Ten principles of excellent API design-brother even it education Each software developer uses the API. "Good" API design is like magic. However, I don't know how many people can explain why some APIs are complex and difficult to learn, while others

About PHP WeChat subscription number development token verification automatically send a message to the subscription number but no message returned the issue

I believe a lot of people will be like me. After token authentication, the message is sent to the subscription number, and no message is returned. Here are some of the solutions I have worked hard to debug: First, token verification: My own write

PHP calculates how many years, how many months, and how many days are two dates apart

The first method, implemented using the PHP class library /** * Function: Calculates how many years, how many months, and how many days are two dates * param string $date 1[format: 2011-11-5] * param string $date 2[format such as: 2012-12-01] *

PHP GD Library Watermark Class 7 years later reconstructed support PHP7

ErrorMsg;} /*** parameter settings * @author sanshi0815* @param string$font font file with a directory text watermark using * @param string$watermark watermark text or image address * @param string$ Srcfile Original Image Address * @param

Filter characters more than three bytes in UTF8 characters, or non-UTF8 characters

function FilterUtf8 ($STR) {/*UTF8 encoded table: * Unicode symbol Range | UTF-8 Encoding method * u0000 0000-u0000 007F | 0XXXXXXX * u0000 0080-u0000 07FF | 110xxxxx 10xxxxxx * u0000 0800-u0000 FFFF | 1110xxxx 10xxxxxx 10xxxxxx * */$re = ';

PHP functions use note points SSD usage precautions ID Use precautions etc use note things

Attention: 1, php function parameters, when using the default parameters, any default parameters must be placed on the right side of any non-default parameters, otherwise the function will not work as expected. 2. PHP cannot return multiple values,

Nginx, CGI, FastCGI, php-cgi, PHP-FPM process

For CGI fastcgi php-fpm php-cgi explanation, online quite a lot of, can Baidu view, below is my own understanding Noun terms: 1、web服务器2、通信协议3、进程、主进程、子进程4、php解析器CGI:Common Gateway Interface 公共网关接口,web服务器和脚本语言通信的一个标准、接口、协议【协议】FastCGI:CGI协议的升级版【协议】PHP-

What is the difference between a comma and a dot number for PHP echo? Which is faster?

First the great God article 54chen The echo string is referred to as , better than the . connection. The reason is not to say, first look at the following two sentences 结果是什么?1+5=6?1+5=6?——————6?2?——————6.6?6.6?——————我只能说echo '5+1=' .

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