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run code in 150+ php & hhvm versions
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<?php define("YEARGROUP", '10'); define("CYCLE", '3'); define("CYCLEFILTER", 'Y' . YEARGROUP . ' CYCLE ' . CYCLE); echo CYCLEFILTER; ?>
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Y10 CYCLE 3