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run code in 150+ php & hhvm versions
Bugs & Features
<?php $total = memory_get_usage(true); $var = array(); echo memory_get_usage(true) - $total, " bytes"; $var['test'] = 'value';
Output for 5.2.15 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
0 bytes
Output for hhvm-3.10.0

Process exited with code 153.