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run code in 150+ php & hhvm versions
Bugs & Features
<?php $array = array(2); print_r($array); echo implode(",",$array);
Output for 4.3.0 - 5.6.21, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Array ( [0] => 2 ) 2