3v4l.org

run code in 300+ PHP versions simultaneously
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Output for 7.1.25 - 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 - 8.1.31, 8.2.0 - 8.2.27, 8.3.0 - 8.3.17, 8.4.1 - 8.4.4
0.99 is not valid 1 is valid 16.5 is valid 18.01 is not valid 9.99 is valid 1.023 is not valid 16.565 is not valid 17.99 is valid 18 is valid
preferences:
177.12 ms | 412 KiB | 5 Q