3v4l.org

run code in 300+ PHP versions simultaneously
<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 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
<html> <body> The capital ofItalyisRome<br>The capital ofLuxembourgisLuxembourg<br>The capital ofBelgiumisBrussels<br>The capital ofDenmarkisCopenhagen<br>The capital ofFinlandisHelsinki<br>The capital ofFranceisParis<br>The capital ofSlovakiaisBratislava<br>The capital ofSloveniaisLjubljana<br>The capital ofGermanyisBerlin<br>The capital ofGreeceisAthens<br>The capital ofIrelandisDublin<br>The capital ofNetherlandsisAmsterdam<br>The capital ofPortugalisLisbon<br>The capital ofSpainisMadrid<br>The capital ofSwedenisStockholm<br>The capital ofUnited KingdomisLondon<br>The capital ofCyprusisNicosia<br>The capital ofLithuaniaisVilnius<br>The capital ofCzech RepublicisPrague<br>The capital ofEstoniaisTallin<br>The capital ofHungaryisBudapest<br>The capital ofLatviaisRiga<br>The capital ofMaltaisValetta<br>The capital ofAustriaisVienna<br>The capital ofPolandisWarsaw<br></body> </html>
preferences:
276.37 ms | 407 KiB | 458 Q