3v4l.org

run code in 300+ PHP versions simultaneously
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Output for 5.6.38 - 5.6.40, 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 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(11) { [0]=> string(4) "___R" [1]=> string(0) "" [2]=> string(4) "___R" [3]=> string(0) "" [4]=> string(4) "___R" [5]=> string(3) "___" [6]=> string(4) "___R" [7]=> string(0) "" [8]=> string(4) "___R" [9]=> string(0) "" [10]=> string(0) "" } array(7) { [0]=> string(3) "___" [1]=> string(3) "___" [2]=> string(3) "___" [3]=> string(3) "___" [4]=> string(3) "___" [5]=> string(3) "___" [6]=> string(0) "" }
preferences:
150.39 ms | 414 KiB | 5 Q