What are the different ways to include files from different directories in PHP?

To include files from different directories in PHP, you can use the `include`, `require`, `include_once`, or `require_once` functions along with the correct file path. You can use relative paths like `../directory/file.php` or absolute paths like `/var/www/html/directory/file.php` to include files from different directories. 

// Including a file from a different directory using relative path
include '../directory/file.php';

// Including a file from a different directory using absolute path
include '/var/www/html/directory/file.php';

Keywords

include require include_once require_once file path

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