3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = "abc"; unset($x[0][0]);
Output for 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught Error: Cannot use string offset as an array in /in/QaiKc:3 Stack trace: #0 {main} thrown in /in/QaiKc on line 3
Process exited with code 255.
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28
Fatal error: Uncaught Error: Cannot unset string offsets in /in/QaiKc:3 Stack trace: #0 {main} thrown in /in/QaiKc on line 3
Process exited with code 255.
Output for 4.3.5 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.36, 5.6.0 - 5.6.22
Fatal error: Cannot unset string offsets in /in/QaiKc on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.4

Process exited with code 139.

preferences:
272.82 ms | 401 KiB | 347 Q