3v4l.org

run code in 300+ PHP versions simultaneously
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Output for 7.1.25 - 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
string(4) "alex" array(3) { [0]=> string(5) "code1" [1]=> string(5) "code2" [2]=> string(5) "code3" }

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136.9 ms | 412 KiB | 5 Q