3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function foo() { static $bar = "1234567890123456789012345678901234567890"; return $bar; } var_dump(memory_get_usage(true)); foo(); var_dump(memory_get_usage(true));
Output for 7.0.0 - 7.1.0
int(2097152) int(2097152)
Output for hhvm-3.12.0
int(302680) int(302688)
Output for hhvm-3.10.0
int(300864) int(300872)
Output for 5.2.1 - 5.2.17, 5.4.0 - 5.6.28
int(262144) int(262144)
Output for 5.3.0 - 5.3.29
int(786432) int(786432)
Output for 5.0.0 - 5.2.0
Fatal error: Call to undefined function memory_get_usage() in /in/5CBNh on line 8
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: memory_get_usage() in /in/5CBNh on line 8
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: memory_get_usage() in /in/5CBNh on line 8
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: memory_get_usage() in /in/5CBNh on line 8