Dynamic Head and Footer Information

I need to append some information & tag so that admin user can add meta, title information of page dynamically. I tried storing information in mysql database with blob, text datatype of column with htmlentities function but seems it is just storing html content not meta information. HTML Form: PHP: Save logic: $head_code = htmlentities($REQUEST['head_code']); $adb->pquery("UPDATE vtiger_tablename set htmlvalue = ? WHERE fieldname = ?",array( $head_code , $fieldname ) ); //Trying to store content in htmlvalue column E.g. If I add below content in textarea then it saved into DB Go to w3schools.com But I add below content in textarea then it is not Saving into DB Please suggest correct way to store meta information so that I can append in head tag of html. Thank you in advance!