3v4l.org

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 - 7.2.33, 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(4) { ["AAA"]=> array(2) { ["X"]=> float(173.696) ["Y"]=> int(127) } ["BBB"]=> array(1) { ["X"]=> float(72.436) } ["CCC"]=> array(1) { ["X"]=> float(142.692) } ["DDD"]=> array(1) { ["Y"]=> float(72.333) } }

preferences:
158.21 ms | 413 KiB | 5 Q