3v4l.org

run code in 300+ PHP versions simultaneously
<?php $hello = "hello"; $world = "world"; $hipster = "I said '{$hello}' before the {$world} thought it was cool"; echo "{{$hipster}} said the '{$hello} {$world}' hipster.";
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 - 5.6.28, 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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
{I said 'hello' before the world thought it was cool} said the 'hello world' hipster.
preferences:
258.85 ms | 406 KiB | 351 Q