PHP

The HP uniqid () function can be used to generate a unique identifier that is not duplicated, based on the current timestamp at the microsecond level. In the case of high concurrency or long intervals (such as looping code), there is a large amount

I believe that many developers are familiar with the 0 "0" null false ' explanation on the network, but I believe there is always the details you ignore, or from the variable structure point of view, how to explain. Then look at the verification

the internal implementation of the PHP source array Hash Table Basically, everything in PHP is a hash table. Not only in the following PHP array implementations, they are also used to store object properties, methods, functions, variables, and

1: Install the GD dependency pack Yum-y Install GD gd2 gd-devel gd2-devel zlib freetype To install JPEG: wget http://www.ijg.org/files/jpegsrc.v9b.tar.gz TAR-XVF

Some PHP-FPM problems have been encountered in the previous project: Because some of the site's interface, in particular cases of slow response (1-2 minutes), the delay does not end, resulting in more and more php-fpm, and finally reached 127, the

PHP header to define a PHP page for UTF encoding or GBK encoding PHP page for UTF encoding Header ("content-type:text/html; Charset=utf-8 "); PHP page for GBK encoding Header ("content-type:text/html; charset=gb2312 "); PHP page for

Nginx PHP-FPM Installation Configuration Nginx itself can not handle PHP, it is just a Web server, when the request is received, if it is a PHP request, then sent to the PHP interpreter processing, and the results returned to the client. Nginx is

Recently, I have been studying PHP with great pains and cannot find any suitable tutorials on the market. The general tutorials start from scratch, so it is not suitable for people who already have some programming experience, because it looks slow.

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My Sina Weibo:Http://weibo.com/freshairbrucewoo. You are welcome to exchange ideas and improve your technology together.   Build a piwik website statistics system   Build Environment   Operating System: centos5.4 (cannot connect

PHP debugging has always been a problem for me. I have been using the echo and var_dump piling modes and the efficiency is very poor. This time I am determined to study how to debug PHP and write down the steps by the way, strengthen memory for your

ArticleDirectory A). Convert the character to uppercase: strtoupper () B). Convert the character to lowercase: strtolower () C). If the first character is a letter, convert it to uppercase: ucfirst () D). Convert the first letter

Some major php development frameworks and CMS system platforms have been collected and sorted out. Here, we will make a summary, which may be supplemented later. Development FrameworkWactHttp://wact.sourceforge.net/The old PHP programming framework

Document directory   Header ('content-type: Application/image/pjpeg '); // output typeHeader ('content-Disposition: attachment; filename = "downloaded.jpg" '); // download the name displayed. Note the format.Readfile('my.jpg ');// Set the type

I have not updated my blog for more than half a year, and I am very sorry for my comments and questions on my blog. I thought I was about to leave the IT industry. I have been working on outsourcing for nearly two years. Every day, I am catching up

PHP interview questions, that is, no answer I. Basic and program questions (we suggest using the languages you are good at: C/C ++, PHP, and Java) 1. Write a sorting algorithm, which can be Bubble sorting or fast sorting. Assume that the object to

1. Set up a PHP website and complete some basic Image Upload functions and server database operations.2. Complete adding the actual function example to the static template of the first jquery framework;Understand and master the use process and

1: Why can't I get the variable?Why can't I get any value when I output $ name when I post data name to another webpage? In Versions later than php4.2, the default value of register_global is off.To get the variables submitted from another

When calling functions such as system and exec, either no response or an error occurs: There are many reasons for this: ========================================================== ========================================================== ==== Error

I have written several articles about recent projects. ^This project was designed to be "very large" at the beginning, taking into account a lot of load balancing things, such as using nginx to allocate php requests to several independent servers