3v4l.org

run code in 500+ PHP versions simultaneously
<?php $arr = null; echo strval($arr['foo']) ?? 'bar';
Output for 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.26
Output for 7.4.0 - 7.4.25, 7.4.27 - 7.4.33
Notice: Trying to access array offset on value of type null in /in/mX3Pf on line 5
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.34
Warning: Trying to access array offset on value of type null in /in/mX3Pf on line 5
Output for 8.3.0 - 8.3.35, 8.4.1 - 8.4.26, 8.5.0 - 8.5.11
Warning: Trying to access array offset on null in /in/mX3Pf on line 5
preferences:
35.73 ms | 1153 KiB | 16 Q