What is a php file?

What is a php file?

The php file is a web script file that can be opened using programming software.

php is a scripting language embedded in HTML text. The language style is similar to C language. The grammar combines C, Perl, Java and PHP's own innovative grammar form. It is often widely used by website programmers.

This kind of file is generally executed on the server side, which can fully utilize the performance of the server and execute dynamic web pages faster than CGL and Perl. Its execution engine can also keep frequently accessed programs in the memory. Users do not need to recompile the program the next time they visit, they can directly execute the retained code, which is very efficient.

The most powerful feature of the php file is its database integration layer. With this feature, it becomes very simple to use php files to create a web page with a database. The function of the php file also depends on its Compatibility with various databases, in addition to using HTTP communication, php files can also use IMAP, SNMP, POP3 and NNTP protocols.

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