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run code in 300+ PHP versions simultaneously
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Output for 8.1.0 - 8.1.32, 8.2.0 - 8.2.28, 8.3.0 - 8.3.19, 8.4.1 - 8.4.5
array(2) { [0]=> string(1) "a" [1]=> string(1) "b" }
Output for 7.4.0 - 7.4.33, 8.0.0 - 8.0.30
array(2) { [0]=> string(1) "b" [1]=> string(1) "a" }
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33
array(3) { [0]=> string(1) "a" [1]=> string(1) "b" [2]=> string(1) "a" }
preferences:
180.52 ms | 413 KiB | 5 Q