3v4l.org

run code in 300+ PHP versions simultaneously
<?php strtolower(true)
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.32, 7.3.0 - 7.3.20, 7.4.0 - 7.4.8
Parse error: syntax error, unexpected end of file in /in/PV0SI on line 3
Process exited with code 255.
preferences:
286.1 ms | 1397 KiB | 264 Q