3v4l.org

run code in 300+ PHP versions simultaneously
<?php get_memory_usage()
Output for 5.4.0 - 5.4.6
Parse error: syntax error, unexpected end of file in HFUsY on line 2
Process exited with code 255.
Output for 5.3.0 - 5.3.16
Parse error: syntax error, unexpected $end in HFUsY on line 2
Process exited with code 255.
preferences:
179.23 ms | 1395 KiB | 31 Q