3v4l.org

run code in 300+ PHP versions simultaneously
<?php $projectLinks = ["starfish" => "ziggy starfish", "vectorfield" => "vector field", "circulizer_p" => "circulizer", "access" => "access", "porouscity" => "porous city", "hotelhive" => "hotel hive", "doppelganger" => "doppelgänger"];
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4

preferences:
162.88 ms | 404 KiB | 223 Q