3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = "apple"; unset($a); var_dump (memory_get_usage ());
based on T2a1F
Output for 7.0.0 - 7.1.0
int(345584)
Output for hhvm-3.10.0 - 3.12.0
int(2097152)
Output for 5.5.0 - 5.6.28
int(216272)
Output for 5.4.10 - 5.4.45
int(216792)
Output for 5.4.0 - 5.4.9
int(216264)
Output for 5.3.11 - 5.3.29
int(618848)
Output for 5.3.0 - 5.3.10
int(618544)
Output for 5.2.10 - 5.2.17
int(76520)
Output for 5.2.7 - 5.2.9
int(77016)
Output for 5.2.3 - 5.2.6
int(77336)
Output for 5.2.1 - 5.2.2
int(75192)
Output for 5.0.0 - 5.2.0
Fatal error: Call to undefined function memory_get_usage() in /in/mT22G on line 4
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: memory_get_usage() in /in/mT22G on line 4
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: memory_get_usage() in /in/mT22G on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: memory_get_usage() in /in/mT22G on line 4