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run code in 200+ php & hhvm versions
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<?php $ceu = array( "Italy"=>"Rome", "Luxembourg"=>"Luxembourg", "Belgium"=> "Brussels", "Denmark"=>"Copenhagen", "Finland"=>"Helsinki", "France" => "Paris", "Slovakia"=>"Bratislava", "Slovenia"=>"Ljubljana", "Germany" => "Berlin", "Greece" => "Athens", "Ireland"=>"Dublin", "Netherlands"=>"Amsterdam", "Portugal"=>"Lisbon", "Spain"=>"Madrid", "Sweden"=>"Stockholm", "United Kingdom"=>"London", "Cyprus"=>"Nicosia", "Lithuania"=>"Vilnius", "Czech Republic"=>"Prague", "Estonia"=>"Tallin", "Hungary"=>"Budapest", "Latvia"=>"Riga", "Malta"=>"Valetta", "Austria" => "Vienna", "Poland"=>"Warsaw"); foreach($ceu as $country => $capital) { echo "The $country capital is $capital /n"; } ?>
based on qKdHH
Output for 4.3.0 - 7.2.0
The Italy capital is Rome /nThe Luxembourg capital is Luxembourg /nThe Belgium capital is Brussels /nThe Denmark capital is Copenhagen /nThe Finland capital is Helsinki /nThe France capital is Paris /nThe Slovakia capital is Bratislava /nThe Slovenia capital is Ljubljana /nThe Germany capital is Berlin /nThe Greece capital is Athens /nThe Ireland capital is Dublin /nThe Netherlands capital is Amsterdam /nThe Portugal capital is Lisbon /nThe Spain capital is Madrid /nThe Sweden capital is Stockholm /nThe United Kingdom capital is London /nThe Cyprus capital is Nicosia /nThe Lithuania capital is Vilnius /nThe Czech Republic capital is Prague /nThe Estonia capital is Tallin /nThe Hungary capital is Budapest /nThe Latvia capital is Riga /nThe Malta capital is Valetta /nThe Austria capital is Vienna /nThe Poland capital is Warsaw /n