使用foreach从动态post数组中插入sql

I am trying to take data that is entered into a form, and use a post to process it on the same page, which will take all the data and insert it into a table in a db. This is a form that existed on an .asp page which I am trying to convert to php. The form is used for the input of Out of Stock quantities from a store. I am trying to take data that is entered into a