3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $startMemory = memory_get_usage(); $array = new SplFixedArray(100000); for ($i = 0; $i < 100000; ++$i) { $array[$i] = $i; } echo memory_get_usage() - $startMemory, ' bytes';
Output for 7.1.0
1601648 bytes
Output for 7.0.0 - 7.0.14
1601664 bytes
Output for hhvm-3.10.0 - 3.13.2
2097152 bytes
Output for 5.5.0 - 5.6.28
5600664 bytes
Output for 5.4.0 - 5.4.45
5600640 bytes
Output for 5.3.11 - 5.3.29
5601016 bytes
Output for 5.3.0 - 5.3.10
5601032 bytes
Output for 5.2.1 - 5.2.17
Fatal error: Class 'SplFixedArray' not found in /in/oH0D8 on line 3
Process exited with code 255.
Output for 5.0.0 - 5.2.0
Fatal error: Call to undefined function memory_get_usage() in /in/oH0D8 on line 2
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: memory_get_usage() in /in/oH0D8 on line 2
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: memory_get_usage() in /in/oH0D8 on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: memory_get_usage() in /in/oH0D8 on line 2