3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $mem = memory_get_usage(); $a = str_repeat('A',1048576); $mema = memory_get_usage() - $mem; $b = 1 ? $a : 0; $memb = memory_get_usage() - $mem; printf( '%1.1f', $memb / $mema );
Output for 5.4.0 - 5.6.28, 7.0.0 - 7.1.0
1.0
Output for hhvm-3.12.0
Warning: Division by zero in /in/Acb6d on line 9 0.0
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.2.1 - 5.3.29
2.0
Output for 5.0.0 - 5.2.0
Fatal error: Call to undefined function memory_get_usage() in /in/Acb6d 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/Acb6d 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/Acb6d 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/Acb6d on line 3