复杂的PDO MYSQL查询无法正常工作

I've written a php function that allows you to update any entry in any table with any string values (one or multiple). PDO does not throw any errors, though the script does not seem to work! I've checked the name of the database, tables and fields multiple times. It's all correct. This is the only query in my functions that does not work. I believe it has something to do with the array im passing in to the SQL statement and the PDO->bindParam() function.I've written a php function that allows you to