I know you asked for no plugin suggestion but I thought I’d share the solution I commonly use for creating advanced search forms in WordPress. http://wpadvancedsearch.com/ This is not a plugin but a PHP framework for building advanced search forms in WordPress. It has served me especially well with custom post types and creating search … Read more
Custom query from all posts & all child page from one parent page?
Using WP_Query to get attachment returns empty set
When you inspect your SQL query right after you executed it $GLOBALS[‘wp_query’]->last_query you will see that the SQL statement is asking for AND. Jump into the posts_where or the the posts_clauses filter (where you need to look up the where keys value) and alter it to OR.
add_query_vars does not work
I found this and it works. The big difference is that it checks if $post count == 0 and the creates the virtual page which will then allow all the other queries to function as normal. <?php /* Plugin Name: Virtual Page Plugin URI: http://davejesch.com Description: Create a virtual page with content Author: Dave Jesch … Read more
Ok then, I actually was getting the subcats with the wrong method. in $parent_cat = get_cat_ID( $cat_name ); $cat_name wasn’t a name but un slug. First mistake. So I corrected with $parent_cat = get_category_by_slug( $cat_slug ); The final code is : // Get the parent cat thanks to the page’s cat slug $parent_cat = get_category_by_slug( … Read more
using next-page and previous page inside a wp_query
Do I see that right, that you are doing a WP_Query for every single post, you want to retrieve? That is highly inefficient, you can use the post__in argument supplied by WP_Query. (http://codex.wordpress.org/Class_Reference/WP_Query#Post_.26_Page_Parameters) foreach ( $urls as $url ) { //echo $url[“mymeta_url”]; foreach ( $url[‘mymeta_slider’] as $u ) { //echo “$u<br> “; shows post id … Read more
Your first example also needs the orderby parameter set, otherwise it defaults to standard date order: $my_query = new WP_Query( array( ‘post_type’ => ‘slider’, ‘post__in’ => $posts, ‘orderby’ => ‘post__in’ ) );