3v4l.org

run code in 300+ PHP versions simultaneously
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Output for 8.0.1 - 8.0.30, 8.1.0 - 8.1.32, 8.2.0 - 8.2.28, 8.3.0 - 8.3.20, 8.4.1 - 8.4.6
Seeking line 1... Position in the file: 0 Rest of the file: 1 Hello! 2 How 3 are 4 you? ------------- Seeking line 2... Position in the file: 9 Rest of the file: 2 How 3 are 4 you?
Output for 7.1.26 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0
Seeking line 1... Position in the file: 0 Rest of the file: 1 Hello! 2 How 3 are 4 you? ------------- Seeking line 2... Position in the file: 15 Rest of the file: 3 are 4 you?

preferences:
194.27 ms | 413 KiB | 5 Q