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run code in 300+ PHP versions simultaneously
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Output for 8.4.1 - 8.4.5
Deprecated: B::foo(): Implicitly marking parameter $foo as nullable is deprecated, the explicit nullable type must be used instead in /in/i7dQn on line 10 foo
Output for 7.1.33, 7.2.34, 7.3.0 - 7.3.33, 8.1.27 - 8.1.32, 8.2.16 - 8.2.28, 8.3.3 - 8.3.19
foo
Output for 7.0.0 - 7.0.33
Parse error: syntax error, unexpected '?', expecting variable (T_VARIABLE) in /in/i7dQn on line 4
Process exited with code 255.
Output for 5.4.0
Parse error: syntax error, unexpected '?', expecting '&' or variable (T_VARIABLE) in /in/i7dQn on line 4
Process exited with code 255.
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