3v4l.org

run code in 300+ PHP versions simultaneously
<?php $file_name="abc.txt"; $file_extension = end(explode('.', $file_name));
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.29, 8.2.0 - 8.2.20, 8.3.0 - 8.3.8
Notice: Only variables should be passed by reference in /in/Cv65t on line 3
Output for 7.3.32 - 7.3.33

preferences:
171.43 ms | 402 KiB | 220 Q