Meta_value will have checkbox infront of them so when both the check box is selected posts related to both the meta_value will be displayed.
I have researched many tutorials on how to create/add Custom Meta Boxes using the add_meta_box() Wordpress function. I can not find any example where the finished Meta Box has the option for an Admin ...
what I'm trying to do is add a new coloumn to Edit post page (done) and in that coloumn show data taken from a set of custom fields (partially done). This is my code (I use it as a plugin so it ...