如何从POST中获取所有传递的参数，然后将它们插入到db中?

I have a php file and a sample form which is quite big ( around 60 fields and all optional ) Now What i want to do is get whatever parameters were passed and insert them to the table. I created a sample for 15 fields, but i can't go on and keep doing this for 60 items.I have a php file and a sample form which is qu