How do you include frequently used code in another PHP file?

Q. How do you include PHP files in other PHP files?

– Useful for including your database connection across all pages that need it.
– If you have written some functions once and want to reference them in other pages.
– Also commonly used to keep consistent header and footer parts of your pages, by including them.

A. You can use the include and include_once statement, you can also use the require or require_once statement, all have the same effect of including your code from one PHP file into another PHP file.

<code>include (“my_file_to_include.php”);</code>

(PHP Manual)

This saves you time by re-using your PHP code and makes it easier to maintain.