PHP

Page optimization and pseudo-static descriptions. Pseudo-static About page optimization and pseudo-static 1) layout optimization 2) pseudo-static (focuses on apache, smarty, and regular expressions) Details: I. layout optimization: Layout

I have encountered problems when linking to sql2005. after careful troubleshooting and searching, I find a solution, hoping it will be useful to you. 1. confirm the database service activation status 2. enable extension in php. ini configuration 3.

A problem was found a few days ago. the time obtained by date (Y-m-dG: iT, time () is eight hours earlier than the local time, but my system was clearly a Chinese standard (GMT + 8) and finally found the problem. The date. timezone option has been

Using php to make the page accessible only by Baidu gogole spider, you can refer to the following if you need it. The difference between a common user and a search engine spider crawling is that the user agent sent, Looking at the website log file,

Because PHP does not support built-in locks in multi-process mode (concurrent web access), it is prone to concurrency problems after processing some resources. In web development, we often cache time-consuming operations on our databases, but there

File upload is generally divided into two methods: FTP and HTTP. for our Internet applications, although FTP upload is stable, it is easy to use and secure. you will not always tell the user "open the FTP client and upload the file to

Using PHP to call mysql, the built-in LAST_INSERT_ID () function may not be used by anyone. The most commonly used function is mysql_insert_id (). In fact, the two functions are different. LAST_INSERT_ID () the id that can return the bigint value.

Collection is no longer a new term. many webmasters are dedicated to the lack of manpower to help their websites, for example, my personal website www.xxfsw.com has also collected a large amount of news. what if so? Today, using php to collect this

Many games and game systems require dice. Let's start with the simple part: throw a six-sided dice. In fact, rolling a six-sided dice means selecting a random number from 1 to 6. In PHP, this is very simple. Simple flipper Many games and game

The full name of PDF is PortableDocumentFormat. it is a portable document format released by Adobe. PDF has a feature unrelated to the operating system, which makes it an ideal document format for electronic document distribution and digital

This article mainly introduces how to use arrays to reduce the time complexity caused by multi-layer loops in PHP programming. Especially when the program needs to interact with the database multiple times, using this method to optimize your code

Currently, the most comprehensive CURL Chinese explanation shows that PHP learning should be well mastered. There are many parameters. Most of them are useful. If you have mastered it and regular expressions, you must be a collection expert.

The LAMP website architecture is a popular Web framework in the world. It includes the Linux operating system, Apache Network Server, MySQL database, Perl, PHP, or Python programming language. Apache The LAMP (Linux-Apache-MySQL-PHP) website

If a website needs to be internationalized, it needs to convert the code from GB2312 to a UTF-8, there are many problems to note, if not completely converted, there will be a lot of coding problems! If a website needs to be internationalized, it

In the regular expression mode, it is used as a delimiter, but it is also contained in the regular expression. Therefore, this error occurs. in PHP, the backslash in the subsequent part is the ending delimiter. The following regular expressions:

Use single quotes instead of double quotes to include strings, which is faster. Because PHP searches for variables in strings enclosed by double quotation marks, but not in single quotes. 0. replace double quotation marks with single quotes to

What will happen if you use a large mirror as a surf board? Maybe you will conquer the waves in a short period of time, but you must understand from the bottom of your heart that this is not the right choice for surfing. The same principle applies

MySQL seems to have introduced the stored procedure since MySQL 5.0, but it has never been touched before. However, because it is mainly used as an internal system, many applications use the stored procedure, of course, the front-end sometimes needs

The existence of a variable has its life cycle. we can make it exist in a small function or the whole program. For variables declared in general, we call them local variables. they can only exist in the current program segment. Instead, use the

PHP image Upload implementation code with detailed notes, you can learn from your favorite friends. The code is as follows: // Upload the image processing file If ($ _ FILES ["file"] ["type"] = "image/gif ") | ($ _ FILES ["file"] ["type"] = "image/