3v4l.org

run code in 300+ PHP versions simultaneously
<?php $memory = memory_get_usage(); $array = range(1, 100000); echo (memory_get_usage() - $memory) / 1024 / 1024;
Output for 8.2.0 - 8.2.17, 8.3.0 - 8.3.7
2.0039825439453
Output for 7.4.33, 8.0.1 - 8.0.30, 8.1.0 - 8.1.27
4.0039825439453
Output for 5.6.40
13.970405578613
preferences:
52.92 ms | 401 KiB | 88 Q