3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = [ 1, 2, 3 ];
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 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, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Output for 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/Yg36Y on line 2
Process exited with code 255.

preferences:
171.21 ms | 401 KiB | 259 Q