Database search

Change the query to:


$query = "
    select 
          user_first_name 
        , user_surname 
        , user_email 
        , user_mobile 
    from 
        user_info
    where 
        user_id 
    like 
        '%" . $trimmed ."%'  
    or
        user_first_name
    like 
        '%" . $trimmed ."%'  
    or
        user_surname
    like 
        '%" . $trimmed ."%'  
    order by 
        user_id";

See what gets returned

still nothing

try testing your query outside of php first, before attempting to parameterize it