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run code in 150+ php & hhvm versions
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<?php $queue = array("UMI","AOEY","UMER","AUNG"); $idol = array_pop($queue); print_r($queue); ?>
based on mMZIT
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Array ( [0] => UMI [1] => AOEY [2] => UMER )