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run code in 300+ PHP versions simultaneously
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Output for 8.1.0 - 8.1.32, 8.2.0 - 8.2.28, 8.3.0 - 8.3.19, 8.4.1 - 8.4.5
string(10) "U+70000000" bool(true) string(80) "000000550000002b0000003700000030000000300000003000000030000000300000003000000030"
Output for 7.4.0 - 7.4.33, 8.0.1 - 8.0.30
string(3) "?+0" bool(false) string(24) "0000003f0000002b00000030"

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