How to Get a File’s Extension in PHP
When working with files in PHP, extracting the file extension is a common task. There are multiple ways to achieve this, ranging from basic string manipulation to built-in functions. Let’s dive into the best practices and alternatives for getting a file’s extension in PHP.
Using pathinfo()
PHP provides a built-in function, pathinfo()
, that is both efficient and easy to use. It extracts various components of a file path, including the extension: