Strip slashes from the Example. I tried doing it myself but for some reason it won't work.
I'm removing the note added by Jasonlewiscook on 7 Feb 2015 regarding meta_value and meta_key arguments not working. I could not find any related Trac ticket and the arguments work for me in 4.8 -- Bcworkz (talk) 18:38, 24 June 2017 (UTC)