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run code in 150+ php & hhvm versions
Bugs & Features
<?php define('DERP', true); define('C5_ENVIRONMENT_ONLY', false); var_dump(defined('C5_ENVIRONMENT_ONLY') && C5_ENVIRONMENT_ONLY || DERP == 'cli');
based on ePtc1
Output for 4.3.0 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
bool(true)
Output for hhvm-3.10.0

Process exited with code 153.