3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php for ($i=0; $i<10; $i++) { php_uname(); $a = range(1, 10000); echo memory_get_usage(true) . PHP_EOL; }
Output for 7.0.0 - 7.1.0
2097152 2097152 2097152 2097152 2097152 2097152 2097152 2097152 2097152 2097152
Output for hhvm-3.12.0
564136 564136 564136 564136 564136 564136 564136 564136 564136 564136
Output for hhvm-3.10.0
562480 562480 562480 562480 562480 562480 562480 562480 562480 562480
Output for 5.4.0 - 5.6.22
1835008 2359296 2359296 2621440 2621440 2883584 2883584 3145728 3145728 3407872
Output for 5.3.0 - 5.3.29
2359296 2621440 2883584 2883584 3145728 3145728 3407872 3407872 3670016 3670016
Output for 5.2.7 - 5.2.17
1572864 2359296 2097152 2621440 2359296 2883584 2621440 3145728 2883584 3145728
Output for 5.2.3 - 5.2.6
1572864 2621440 2097152 2883584 2359296 3145728 2621440 3145728 2883584 3145728
Output for 5.2.2
1572864 2359296 2097152 2359296 2359296 2621440 2621440 2883584 2883584 3145728
Output for 5.2.1
1572864 2359296 1835008 2621440 2097152 2883584 2359296 3145728 2621440 3145728
Output for 5.0.0 - 5.2.0
Fatal error: Call to undefined function memory_get_usage() in /in/9Jn36 on line 6
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: memory_get_usage() in /in/9Jn36 on line 6
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: memory_get_usage() in /in/9Jn36 on line 6
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: memory_get_usage() in /in/9Jn36 on line 6