Mastering PHP Strings: A Comprehensive Guide | substr() function in PHP with Use cases #php
PHP script that extracts the extension of a file | substr(), strrpos(), strpos()
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Last Updated: September 26, 2026
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Summary
In this tutorial I show you how to cut words out part of a string and make a new string using the Sample code: codemahal.com/video/ In this video, we are going to learn how to extract the extension of a file. Let's say we have the following filenames: "elephant.jpg" ...