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run code in 300+ PHP versions simultaneously
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Output for 8.1.6 - 8.1.31, 8.2.10 - 8.2.27, 8.3.0 - 8.3.17, 8.4.1 - 8.4.4
{"integers":[1,2,3,4]} {"integers":{"1":2,"3":4}} {"map":{"foo":"bar"}} {"map":[]}

preferences:
76.33 ms | 411 KiB | 5 Q