The most widely used field of PHP is web development. In other words, PHP is specially designed for website development. More than 88% of websites are built with PHP!
What large websites are written in PHP?
Facebook (www.facebook.com)
Facebook (Facebook) is a social networking service website in the United States and is the world's leading Photo sharing site, the main programming language used by Facebook is PHP!
Yahoo (www.yahoo.com)
Yahoo is a famous Internet portal in the United States and one of the creators of the Internet miracle at the end of the 20th century. Its services include search engines, emails, news, etc., with operations in 24 countries and regions, providing diversified network services to more than 500 million independent users around the world.
Flickr (www.flickr.com)
Flickr, a photo sharing website owned by Yahoo. It is an online service that provides free and paid digital photo storage and sharing solutions, as well as a platform for online community services.
Tumblr (www.tumblr.com)
Founded in 2007, Tumblr is currently the largest light blogging website in the world and the ancestor of light blogging websites.
Wikipedia (www.wikipedia.org)
Wikipedia is an online encyclopedia project. It is characterized by free content and free editing. It is currently the largest and most popular reference reference book on the global Internet and ranks among the top ten most popular websites in the world.
What are the advantages of PHP for building a website?
1. Good security PHP is open source software, and all PHP source codes are available to everyone As you can see, the code has been tested in the hands of many engineers, and the way it is compiled with Apache also allows it to have flexible security settings. PHP has recognized security performance. Open source creates a powerful, stable, and mature system.
2. Cross-platform features PHP supports almost all operating system platforms and database systems, and is widely popular.
3. Fast execution speed and high efficiency. PHP is a powerful CGI scripting language. Its syntax is a mixture of C, Java, Perl and PHP-style new syntax. It executes web pages faster than CGI, Perl and ASP. , and the built-in Zend acceleration engine has stable and fast performance, takes up less system resources, and has fast code execution speed. PHP consumes considerably less system resources.
4. Very good portability and scalability. PHP has good openness and scalability. PHP can run on any server (whether it is Windows or Linux) and is free software. Its source code Full disclosure, it is very easy for any programmer to extend additional functionality to PHP. The latest version of PHP can be downloaded from many websites. At present, PHP is mainly run based on Web servers. There are many servers that support the running of PHP scripts, the most representative of which are Apache and IIS.
5. Powerful database support: PHP has extremely powerful functions in the Web project development process, and its implementation is relatively simple. It is mainly reflected in the following points: it can manipulate a variety of mainstream and non-mainstream databases, such as : MySQL, Access, SQL Server, Oracle, DB2, etc. Among them, PHP and MySQL are now an excellent combination and can run across platforms.
6. It has a wide range of applications. Currently, the development of many websites on the Internet is completed through the PHP language. For example, Sohu, NetEase and Baidu, etc., have all used PHP in the creation and development of these well-known websites. language.
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