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<?php var_dump(filter_var('81.110.205.242', FILTER_VALIDATE_IP); var_dump(filter_var('dead:beef::1', FILTER_VALIDATE_IP);
Output for 5.3.0 - 5.3.28, 5.4.0 - 5.4.30
Parse error: syntax error, unexpected ';' in /in/qblp6 on line 2
Process exited with code 255.

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