3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $max = 100; $arr = array_fill(0, $max, 1); $mem = memory_get_usage(true); foreach ($arr as $key=>$val) { $arr[$max+1] = 9999; } echo memory_get_usage(true)-$mem;
Output for 5.2.1 - 5.6.28, 7.0.0 - 7.1.0
0
Output for hhvm-3.12.0
4048
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.0.0 - 5.2.0
Fatal error: Call to undefined function memory_get_usage() in /in/ecF4i on line 5
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: memory_get_usage() in /in/ecF4i on line 5
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: memory_get_usage() in /in/ecF4i on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: memory_get_usage() in /in/ecF4i on line 5