3v4l.org

run code in 300+ PHP versions simultaneously
<?php $abc [];
Output for 5.6.38, 7.1.0 - 7.1.23, 7.2.0 - 7.2.11
Fatal error: Cannot use [] for reading in /in/5XCRK on line 3
Process exited with code 255.
preferences:
149.45 ms | 1399 KiB | 44 Q