3v4l.org

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(4) "?" bool(false) string(6) "3ff9cb"
Output for 7.4.0 - 7.4.33, 8.0.1 - 8.0.30
string(4) "" bool(false) string(6) "7ff9cb"
preferences:
110.12 ms | 412 KiB | 5 Q