1. Modify the code to ensure that any whitespace the user might have inadvertently entered at the beginning or end of his search term is stripped Ssearchterm S_POST['searchtermD 2. Modify the code to ensure a connection to your MySQL server. @Sdb ('localhost', 'bookorana','bookonama 123', 'books'); 3. Edit the following code to bind the four variables to the four columns returned by the MySQL query Sstmt-> Sisbn, Sauthor, Stitle, Sprice) 4. Use the appropriate MySQL function to close the connection to the Sdb database 5. Modify the code to connect to a MySQL database by using PDO: $db = (Sdsn. Suser,Spass)