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<?php $f = null var_dump($f?());
Output for 8.1.0 - 8.1.29, 8.2.0 - 8.2.20, 8.3.0 - 8.3.8
Parse error: syntax error, unexpected identifier "var_dump" in /in/n09i2 on line 3
Process exited with code 255.

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