Add Google+ Badge to Posts – Specific to Author

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Grab Meta Data

Use get_user_meta() for that. The key is 'galink_profile'.

echo get_user_meta( 'galink_profile', 'put the user ID here', true );

Another option is to get it from the author meta data get_the_author_meta() if you’re displaying an author page/archive:

echo get_the_author_meta( 'galink_profile', 'put the user ID here' );

Get user IDs

You can grab the ID from the current user with get_current_user_id().

If it’s for a comment, use get_comment_ID().