3v4l.org

run code in 300+ PHP versions simultaneously
<?php $effectiveUri = null; echo '-' . substr($effectiveUri, strrpos($effectiveUri, '/') + 1);
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
Deprecated: strrpos(): Passing null to parameter #1 ($haystack) of type string is deprecated in /in/BasCK on line 5 Deprecated: substr(): Passing null to parameter #1 ($string) of type string is deprecated in /in/BasCK on line 5 -
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30
-

preferences:
192.31 ms | 403 KiB | 293 Q