3v4l.org

run code in 300+ PHP versions simultaneously
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Output for 8.4.1 - 8.4.5
Deprecated: PHPlt84::bar(): Implicitly marking parameter $a as nullable is deprecated, the explicit nullable type must be used instead in /in/0qM7W on line 4 Deprecated: PHPgte71Child::bar(): Implicitly marking parameter $a as nullable is deprecated, the explicit nullable type must be used instead in /in/0qM7W on line 16
Output for 8.1.0 - 8.1.32, 8.2.0 - 8.2.28, 8.3.0 - 8.3.19
preferences:
65.64 ms | 412 KiB | 5 Q