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run code in 500+ PHP versions simultaneously
<?php interface AllowsOpen{ public function open(); } trait Container{ public function open(){ echo 'Something is inside!'; } } class Can implements AllowsOpen{ use Container; } $objCan = new Can(); $objCan->open();
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 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 - 8.1.34, 8.2.0 - 8.2.32, 8.3.0 - 8.3.32, 8.4.1 - 8.4.23, 8.5.0 - 8.5.8
Something is inside!

preferences:
82.65 ms | 1540 KiB | 4 Q