3v4l.org

run code in 300+ PHP versions simultaneously
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Output for 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 - 8.1.31, 8.2.0 - 8.2.27, 8.3.0 - 8.3.18, 8.4.1 - 8.4.5
array ( 0 => 144, 1 => 19, 2 => 7, 3 => 16, )

preferences:
137.68 ms | 412 KiB | 5 Q