从Google MAPS API v3的JSON数据中放置标记

I have a MySQL DB that I have created a PHP script to pull that data into JSON format. I know need to take that JSON output and create markers on a Google Map. Seems simple but, I only need the markers to show if one of the values from the JSON output returns true. I will outline how the markers should display. I have a MySQL DB that I have created a PHP scr