3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $a = array(1=>"vahid",2=>"arash",3=>"farzam"); foreach($a as $b){ foreach($a as $c){ echo $c; } }
Output for 4.3.0 - 7.2.0
vahidarashfarzamvahidarashfarzamvahidarashfarzam