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run code in 150+ php & hhvm versions
Bugs & Features
<?php echo `cat /proc/cpuinfo`;
based on vQSUR
Output for 4.3.0 - 5.6.28, 7.0.0 - 7.1.0
Output for hhvm-3.12.0
Failed to exec: `cat /proc/cpuinfo'
Output for hhvm-3.10.0

Process exited with code 153.