$DB-escape_string$Dataname ;

This code is a PHP statement that uses the escape_string method of a database object ($DB) to sanitize a string value stored in the $Data array under the key 'name'. The purpose of sanitizing the string is to prevent SQL injection attacks when inserting or updating data in the database. If the 'name' key exists in the $Data array, its value is passed to the escape_string method to escape any special characters and return the sanitized string. If the 'name' key does not exist in the $Data array, an empty string is returned.