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run code in 150+ php & hhvm versions
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<?php $returnValue = ucfirst(strtolower('MICROSOFT WINDOWS 8.1 ENTERPRISE RTM X64 VOLUME ENGLISH DVD WZT')); echo $returnValue;
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Microsoft windows 8.1 enterprise rtm x64 volume english dvd wzt