Technically, pre_get_posts is an action, not a filter, and you don’t need to return anything and $query is passed in by reference, but that code should nonetheless work. Cleaned up it would be: function excludeCat($query) { if ( $query->is_home ) { $catid = get_cat_ID(‘watch-isatv’); $query->set(‘cat’, ‘-‘.$catid); } } add_action(‘pre_get_posts’, ‘excludeCat’); There are several potential points … Read more
Check if values exists DB
query_posts() is overly simplistic and a problematic way to modify the main query of a page by replacing it with new instance of the query. It is inefficient (re-runs SQL queries) and will outright fail in some circumstances (especially often when dealing with posts pagination). Any modern WP code should use more reliable methods, like … Read more
very slow wordpress query with default query
wp_pagenavi( array( ‘query’ => $wp_query ) ); change to wp_pagenavi($wp_query); I think that $wp_query is the variable that you define! That is the thing you will need to insert! Sometimes, you will need to pass $wp_query->max_num_pages depend on your custom query request
Resetting permalinks, as per this thread, fixed this problem. Visit Settings -> Permalinks -> Save current settings
The Problem By default, in any given context, WordPress uses the main query to determine pagination. The main query object is stored in the $wp_query global, which is also used to output the main query loop: if ( have_posts() ) : while ( have_posts() ) : the_post(); When you use a custom query, you create … Read more
Do you know the ID of the posts? Have you passed post__not_in as part of your query? $query = new WP_Query( array( ‘post_type’ => ‘post’, ‘post__not_in’ => array( 2, 5, 12, 14, 20 ) ) ); From: http://codex.wordpress.org/Class_Reference/WP_Query. The above will return all posts but exclude the IDs specified. Or do you have another way … Read more
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
$leader_result = $wpdb->get_results(“SELECT user_first_name, user_last_name FROM “.$wpdb->prefix.”mro_attendees WHERE event_id = “.$project_id.” AND user_role=”team_leader” LIMIT 0,1″) foreach($leader_result as $row=>$value) { echo $value->column_name; }