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run code in 150+ 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 $key => $value ) { echo "The capital of {$value} is {$key}"; }
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
The capital of Rome is ItalyThe capital of Luxembourg is LuxembourgThe capital of Brussels is BelgiumThe capital of Copenhagen is DenmarkThe capital of Helsinki is FinlandThe capital of Paris is FranceThe capital of Bratislava is SlovakiaThe capital of Ljubljana is SloveniaThe capital of Berlin is GermanyThe capital of Athens is GreeceThe capital of Dublin is IrelandThe capital of Amsterdam is NetherlandsThe capital of Lisbon is PortugalThe capital of Madrid is SpainThe capital of Stockholm is SwedenThe capital of London is United KingdomThe capital of Nicosia is CyprusThe capital of Vilnius is LithuaniaThe capital of Prague is Czech RepublicThe capital of Tallin is EstoniaThe capital of Budapest is HungaryThe capital of Riga is LatviaThe capital of Valetta is MaltaThe capital of Vienna is AustriaThe capital of Warsaw is Poland