3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php var_dump(memory_get_usage());$a=255;var_dump(memory_get_usage());
Output for 7.0.0 - 7.1.0
int(345728) int(345760)
Output for 5.6.7 - 5.6.28
int(216464) int(216648)
Output for 5.5.24 - 5.5.35
int(216464) int(216632)
Output for 5.4.10 - 5.4.45
int(216984) int(217152)
Output for 5.4.0 - 5.4.9
int(216456) int(216624)
Output for 5.3.11 - 5.3.29
int(619128) int(619304)
Output for 5.3.0 - 5.3.10
int(618824) int(619000)
Output for 5.2.10 - 5.2.17
int(76768) int(76936)
Output for 5.2.7 - 5.2.9
int(77128) int(77344)
Output for 5.2.3 - 5.2.6
int(77448) int(77664)
Output for 5.2.1 - 5.2.2
int(75344) int(75480)
Output for 5.0.0 - 5.2.0
Fatal error: Call to undefined function memory_get_usage() in /in/e6TEW on line 2
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: memory_get_usage() in /in/e6TEW on line 2
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: memory_get_usage() in /in/e6TEW on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: memory_get_usage() in /in/e6TEW on line 2