How can you include a link in PHP when the file's folder is one level above the current folder?

When the file's folder is one level above the current folder, you can include a link in PHP by using the "../" notation to navigate up one level in the directory structure. This allows you to access files in the parent folder from the current folder. 

<a href="../file.php">Link to file in parent folder</a>

Keywords

PHP include link file path directory structure

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