What file is index.php?

What is the file index.php?

The index.php file is a php website homepage file. Index is the "homepage" in a general sense. That is, after you enter a domain name, a page will open, which is basically index.xxxx (basically Even if you go to the home page, index. program of things.

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php introduction:

PHP is the "hypertext preprocessor", which is A general-purpose 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.

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