3v4l.org

run code in 300+ PHP versions simultaneously
<?php $memory = memory_get_usage(); $array = range(0, 99); echo memory_get_usage() - $memory;
Output for 8.2.0 - 8.2.16, 8.3.3
2616
Output for 7.0.5, 7.1.33, 7.2.34, 8.0.1 - 8.0.30, 8.1.0 - 8.1.27
8248
Output for 5.5.16
15032
Output for 5.4.0
15048
Output for 5.3.18
15016
preferences:
70.48 ms | 401 KiB | 80 Q