3v4l.org

run code in 300+ PHP versions simultaneously
<?php $mycars = array("Blue" => array("Car1","Car2"), "Red" => array("Car3")); foreach($mycars as $colour => $cars) { echo "<div class='$colour'>"; foreach($cars as $car) { echo "<h1>$car</h1>"; echo "<p>$colour</p>"; } echo "</div>"; }
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 - 5.5.37, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.6 - 7.2.33, 7.3.12 - 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 - 8.3.6
<div class='Blue'><h1>Car1</h1><p>Blue</p><h1>Car2</h1><p>Blue</p></div><div class='Red'><h1>Car3</h1><p>Red</p></div>
preferences:
240.41 ms | 406 KiB | 350 Q