Having an issue doing a WP_Query with post_content and category__and
I found the issue, I shouldn’t have been trying to filter on post_content, but rather ‘s’ e.g. Array ( [showposts] => 4 [paged] => 1 [s] => post [post_content] => tree [category__and] => Array ( [0] => 6 [1] => 15 [2] => 28 ) )