3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $startMemory = memory_get_usage(); $array = range(1, 1); echo memory_get_usage() - $startMemory, ' bytes';
Output for 7.0.0 - 7.1.0
376 bytes
Output for hhvm-3.12.0
0 bytes
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.2.10 - 5.2.17, 5.4.0 - 5.6.28
576 bytes
Output for 5.3.0 - 5.3.29
600 bytes
Output for 5.2.1 - 5.2.9
616 bytes
Output for 5.0.0 - 5.2.0
Fatal error: Call to undefined function memory_get_usage() in /in/Q5T8E 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/Q5T8E 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/Q5T8E 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/Q5T8E on line 3