Can’t access site after making changes to the functions.php [closed]

Do you have access to hosting? Any control panel like cpanel or anything else? Or any access to ftp? if yes the head over there and to got wp-content/themes/ and rename your current theme folder. Doing that will automatically load a fallback theme. That way your website will be live again immediately and you can continue debugging the issue. Also I suggest to enable debug mode in wp-config.php to get a better idea of the reason behind the error.

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