3v4l.org

run code in 300+ PHP versions simultaneously
<?@a.b;
Output for 7.1.25 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.32, 8.0.0 - 8.0.12, 8.0.14 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
<?@a.b;
Output for 8.0.13
Fatal error: Uncaught Error: Undefined constant "a" in /in/V801g:1 Stack trace: #0 {main} thrown in /in/V801g on line 1
Process exited with code 255.
Output for 7.3.32 - 7.3.33, 7.4.33
Warning: Use of undefined constant b - assumed 'b' (this will throw an Error in a future version of PHP) in /in/V801g on line 1
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20
Notice: Use of undefined constant b - assumed 'b' in /in/V801g on line 1

preferences:
174.41 ms | 402 KiB | 224 Q