What does a PHP engineer mainly do?

Main work content of PHP engineers:

Develop Internet applications using PHP language; development and maintenance of website products and website function modules; and The page designer coordinates communication and writes some Javascript and HTML; participates in the writing and maintenance of the underlying MVC framework.

PHP Engineer:

PHP technical talents are catering to the current development trend of the Internet; PHP, as a very excellent and simple Web development language, and Linux, Apache and MySQL are closely combined to form the open source golden combination of LAMP, which not only reduces the cost of use, but also increases the development speed to meet the latest interactive network development applications, which makes PHP software engineers a rapidly developing profession.

PHP development history:

PHP was originally created by Rasmus Lerdorf in 1994. At the beginning, it was just a simple program written in Perl language to count himself. Visitors to the website. Later it was rewritten in C language, including access to the database. The first version was released as Personal HomePageTools (PHP Tools) in 1995. Lerdorf wrote some documents introducing the program and released PHP 1.0. In this early version, simple functions such as guest book and visitor counter were provided. In the future, more and more websites used PHP, and there were strong requests to add some features, such as loop statements and array variables. After new members joined the development team, PHP 2.0 was released in mid-1995. The second version is named PHP/FI (Form Interpreter). PHP/FI added support for MySQL, and has since established PHP's position in dynamic web development. By the end of 1996, there were 15,000 websites using PHP/FI; by mid-1997, the number of websites using PHP/FI exceeded 50,000. In mid-1997, the development plan for the third version was started. The development team joined Zeev Suraski and Andi Gutmans, and the third version was named PHP3. In 2000, PHP4.0 came out again, which added many new features. characteristic.

On May 22, 2000, PHP 4 based on Zend Engine 1.0 was officially released, and PHP 5 was released on July 13, 2004. PHP 5 used the second generation of Zend Engine[5]. PHP includes many new features, such as enhanced object-oriented functions, the introduction of PDO (PHPData Objects, an extension function library for accessing databases), and many performance enhancements. Currently, PHP 4 will no longer be updated to encourage users to move to PHP 5.

In 2008, PHP 5 became the only PHP version under development. In the future, PHP 5.3 will add Late static binding and some other functional enhancements. The development of PHP 6 is also in progress. The main improvements include the removal of register_globals, magic quotes and Safe mode functions.

Recommended study: "PHP Tutorial"

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