What is a php file and can it be deleted?

1. What is a PHP file?

PHP (Hypertext Preprocessor) hypertext preprocessor is a scripting language that is executed on the server side and embedded in HTML documents. , the language style is similar to C language, it is widely used in Internet development, and it is easier to learn!

PHP syntax is a mixture of C, java, Perl and PHP's own syntax. (You can see the comparison between PHP and Java) The execution efficiency of PHP is extremely high; PHP can also execute compiled code. Compilation can achieve encryption and optimize code running, making the code run faster. PHP is extremely powerful and can be compatible with all databases. You can also use C and C to expand the program! Currently, many excellent products on the Internet are masterpieces of PHP, including Facebook, Sina, Yahoo, Sohu, MSN, etc., and the world's top 500 companies. 394 of them use PHP technology. According to statistics, more than 70% of the world's traffic comes from the PHP language!

2. Can it be deleted?

It can be deleted according to your needs. It is generally not recommended to delete it. It is recommended to make necessary backups before deleting to avoid irreparable losses.

3. Features

PHP’s features include:

● PHP’s unique syntax mixes C, Java, Perl and PHP’s own innovative syntax.

● PHP can execute dynamic web pages faster than CGI or Perl - in terms of dynamic pages, compared with other programming languages,

● PHP embeds programs into HTML documents Execution and execution efficiency are much higher than CGI that completely generates HTML tags;

● PHP has very powerful functions, and all CGI functions can be realized by PHP.

● PHP supports almost all popular databases and operating systems.

●The most important thing is that PHP can use C and C to expand the program!

Extended reading:

How to open the php file is garbled

##How to build a php development environment Configuration

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