What does PHP mean? What is PHP used for?

What does 1.PHP mean?

Hypertext Preprocessor (hypertext preprocessor)

What is 2.PHP used for?

PHP is a common open source scripting language. Grammar absorbs the C language, Java and Perl (actual extraction and reporting language) characteristics, conducive to learning, widely used, mainly for the field of web development. Dynamic pages made with PHP are compared to other programming languages, and PHP is executed in HTML (an application under the standard Universal Markup Language), which is much more efficient than CGI (Universal Gateway Interface) that fully generates HTML markup; PHP can also execute compiled code. Compiling compiles and optimizes the code to run, making the code run faster.

Why is 3.PHP using mysql?

When the site gets bigger, you may encounter problems like this:

The ① site contains so many things that visitors cannot get what they want quickly, and the problem is, to some extent, fatal to a website;

② visitors want to provide information to you, and this information must be saved for later use.

The above two problems can be solved by the database!

Why use PHP and Mysql, almost all of the major commercial web site databases are SQL-based. One of the most popular may be Oracle. It is very powerful, of course, the price is also very expensive. SQL is not an application, but a language that is shorthand for structured query Language (Structured Query language) to manipulate and query the database.

In recent years, some companies have developed "open-code" SQL applications, the most famous of which may be MySQL. It's not just for free, it's not much less than Oracle for a typical small to medium database application.

To run MySQL on a Web site, you need a scripting language to interact with the database, so PHP uses MySQL.

Advantages of 4.php+mysql

• Mature technology, rapid development

Php+mysql is currently the most mature, stable, secure enterprise-level Web development technology, widely used in super-large sites (such as: Sen-action Front-end use of PHP, can input: www.sendong.com/index.php). Its mature architecture, stable performance, embedded development mode, concise syntax, so that the system can be developed rapidly.

• Efficient execution, safety and reliability

PHP Security performance is very impressive, account number, password encryption technology, to ensure the security of data account information. The key data uses the multi-layer encryption technology, effectively guarantees the data security. Php+mysql can operate across Unix, Linux, Windows NT and other platforms, reducing the risk of system and data migration.