3v4l.org

run code in 300+ PHP versions simultaneously
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Output for 7.1.25 - 7.1.27, 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 - 8.1.32, 8.2.0 - 8.2.28, 8.3.0 - 8.3.20, 8.4.1 - 8.4.6
<!DOCTYPE html> <html><head><meta charset="UTF-8"><title>a title with a </title></head><body>U+0000 <span></span></body></html>

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167.32 ms | 412 KiB | 5 Q