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run code in 300+ PHP versions simultaneously
<?php var_dump(preg_split('/\s+/u', "1px 2px 3px 4px"));
Output for 7.4.0 - 7.4.33, 8.0.1 - 8.0.30, 8.1.0 - 8.1.30, 8.2.0 - 8.2.25, 8.3.0 - 8.3.13
array(4) { [0]=> string(3) "1px" [1]=> string(3) "2px" [2]=> string(3) "3px" [3]=> string(3) "4px" }
preferences:
69.86 ms | 406 KiB | 5 Q