PHP is "hypertext preprocessor" and is a general open source scripting language. PHP is a scripting language executed on the server side. It is similar to C language and is a commonly used website programming language. PHP's unique syntax mixes C, Java, Perl, and PHP's own syntax. It is conducive to learning and widely used. It is mainly suitable for the field of web development.
What is PHP file?
php file is a programming language format. More professionally speaking, it is a web script program embedded in HTML text. The language style is similar to the C language. The syntax combines C, Perl, The innovative grammatical forms of Java and PHP are often widely used by website programmers.
Simply put, a PHP file is a dynamic web page file embedded in the PHP language.
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.
How to open a php file?
The php file is a web script program that can be opened using programming software. For professionals, you can use Dreamweaver web page creation software or programming software to open php files and edit them. However, for ordinary people, we can open them with Notepad, which is simpler.
Open method one: Use Notepad to open
Open method two: Use programming software such as Dreamweaver to open
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