3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $arr = range(0, 100000); echo memory_get_usage();
Output for 7.0.0 - 7.1.0
4544112
Output for 5.5.0 - 5.6.28
14865384
Output for 5.4.10 - 5.4.45
14865904
Output for 5.4.0 - 5.4.9
14865360
Output for 5.3.11 - 5.3.29
15267936
Output for 5.3.0 - 5.3.10
15267632
Output for 5.2.10 - 5.2.17
13926168
Output for 5.2.7 - 5.2.9
13927616
Output for 5.2.6
13927952
Output for 5.2.3 - 5.2.5
13927960
Output for 5.2.2
13925760
Output for 5.2.1
13925264
Output for 5.0.0 - 5.2.0
Fatal error: Call to undefined function memory_get_usage() in /in/rn9u5 on line 3
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: memory_get_usage() in /in/rn9u5 on line 3
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: memory_get_usage() in /in/rn9u5 on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: memory_get_usage() in /in/rn9u5 on line 3