PHP installation is missing "mime_content_type" or "finfo_file" functions which are crucial for detecting file types of uploaded attachments

It seems like your PHP installation is missing “mime_content_type” or “finfo_file” functions which are crucial for detecting file types of uploaded attachments. Please update your PHP installation OR be very careful with allowed file types, so intruders won’t be able to upload dangerous code to your website

I’m getting above message in WP Admin Page, how can I fix this??
Please Help~

Thank you
WILL

This continues to affect LocalWP. Including inability to upload files that some DB migration tools generate (and then cannot self-import).