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run code in 150+ php & hhvm versions
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<html> <body> <?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 $x=>$y) { echo "The capital of ".$x."is".$y; echo "<br>"; } ?> </body> </html>
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
<html> <body> The capital of ItalyisRome<br>The capital of LuxembourgisLuxembourg<br>The capital of BelgiumisBrussels<br>The capital of DenmarkisCopenhagen<br>The capital of FinlandisHelsinki<br>The capital of FranceisParis<br>The capital of SlovakiaisBratislava<br>The capital of SloveniaisLjubljana<br>The capital of GermanyisBerlin<br>The capital of GreeceisAthens<br>The capital of IrelandisDublin<br>The capital of NetherlandsisAmsterdam<br>The capital of PortugalisLisbon<br>The capital of SpainisMadrid<br>The capital of SwedenisStockholm<br>The capital of United KingdomisLondon<br>The capital of CyprusisNicosia<br>The capital of LithuaniaisVilnius<br>The capital of Czech RepublicisPrague<br>The capital of EstoniaisTallin<br>The capital of HungaryisBudapest<br>The capital of LatviaisRiga<br>The capital of MaltaisValetta<br>The capital of AustriaisVienna<br>The capital of PolandisWarsaw<br></body> </html>