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run code in 300+ PHP versions simultaneously
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Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 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(5) { [0]=> array(2) { [0]=> int(1) [1]=> int(2) } [1]=> array(2) { [0]=> int(3) [1]=> int(4) } [2]=> array(2) { [0]=> int(5) [1]=> int(6) } [3]=> array(2) { [0]=> int(7) [1]=> int(8) } [4]=> array(2) { [0]=> int(9) [1]=> int(10) } } array(0) { }

preferences:
122.45 ms | 413 KiB | 5 Q