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run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = memory_get_usage(); $b = memory_get_usage(); $a = memory_get_usage(); $array = array(); $b = memory_get_usage(); echo($b - $a); ?>
Output for hhvm-3.10.0 - 3.13.2, 7.1.0
0
Output for 7.0.0 - 7.0.14
56
Output for 5.4.0 - 5.6.28
224
Output for 5.3.0 - 5.3.29
312
Output for 5.2.1 - 5.2.17
304
Output for 5.0.0 - 5.2.0
Fatal error: Call to undefined function memory_get_usage() in /in/fqFfX 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/fqFfX 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/fqFfX 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/fqFfX on line 2