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run code in 200+ php & hhvm versions
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<?php $ceu = array( "Italy"=>"Rome", "Luxembourg"=>"Luxembourg", "Belgium"=> "Brussels") ; asort($ceu) ; foreach($ceu as $country => $capital) { echo "The capital of $country is $capital <br />" ; } ?>
Output for 4.3.0 - 7.2.0
The capital of Belgium is Brussels <br />The capital of Luxembourg is Luxembourg <br />The capital of Italy is Rome <br />