3v4l.org

run code in 300+ PHP versions simultaneously
<?php for ($i = 0; $i < 1000; $i++) { strtolower('a') === strtolower('a') }
Output for 5.3.0 - 5.3.27, 5.4.0 - 5.4.18, 5.5.0 - 5.5.2
Parse error: syntax error, unexpected '}' in /in/ZLPIA on line 5
Process exited with code 255.
preferences:
180.6 ms | 1395 KiB | 57 Q