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run code in 200+ php & hhvm versions
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<?php $myVar = 0; if(isset($myVar) && !empty($myVar)){ echo 'Set and Not Empty'; } else{ echo 'Either Not Set or Empty'; } ?>
based on 0JnRQ
Output for 5.6.0 - 5.6.30, hhvm-3.18.5 - 3.22.0, 7.0.0 - 7.3.0rc3
Either Not Set or Empty