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run code in 200+ php & hhvm versions
Bugs & Features
<?php class E{function r($n,$c,$p){$this->e[$n][$p][]=$c;}function d($n){$p=$this->e[$n];krsort($p);foreach($p as $q){foreach($q as $r){$r();}}}}
Output for 4.3.0 - 7.2.0