3v4l.org

run code in 300+ PHP versions simultaneously
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Output for 7.4.0 - 7.4.33, 8.0.1 - 8.0.30, 8.1.0 - 8.1.32, 8.2.0 - 8.2.28, 8.3.0 - 8.3.19, 8.4.1 - 8.4.6
array ( 2 => array ( 0 => 41000, 1 => 31079, 2 => 40213, 3 => 42054, ), 3 => array ( 0 => 42963, 1 => 41189, 2 => 42998, 3 => 34567, ), )

preferences:
97.09 ms | 412 KiB | 5 Q