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run code in 150+ php & hhvm versions
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<?php $c='count'; $a=array("in","Volvo","BMW","Toyota"); print(count($a)); if(reset($a)=='in' && $c($a)>3) print('FU'); ?>
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
4FU