exlude home posts

gistfile1.txt

/**
 * Filter out any lede post ids or hidden posts from the main query
 */
function time_exclude_home_posts( $query ) {

	// make sure were on the homepage 1st
	if( ( is_home() || is_front_page() ) && $query->is_main_query() ) {

		$hidden_post_ids = array();

		// check to see if there are any lede ids
		$lede_post_ids = time_get_lede_post_ids();
		
		$hidden_posts = wp_cache_get( 'time_hidden_posts', TIME_CACHE );
		
		if( !$hidden_posts ) {
			
			$hidden_posts = get_posts(
				array(
					'post_status' => 'publish',
					'posts_per_page' => 50,
					'meta_key' => 'time_hide_on_home',
					'meta_value' => 1
				)
			);
			
			if( $hidden_posts ) {
				wp_cache_set( 'time_hidden_posts', $hidden_posts, TIME_CACHE, 3600 );
			}
		}

		// lets just get the post ids
		if( $hidden_posts ) {
			$hidden_post_ids = wp_list_pluck( $hidden_posts, 'ID' );
		}

		// merge our hidden posts with any lede post ids
		$hidden_post_ids = array_merge( $hidden_post_ids, $lede_post_ids );
		
		if( count( $hidden_post_ids ) ) {
			$query->query_vars['post__not_in'] = $hidden_post_ids;
		}	
	}
}
add_action( 'pre_get_posts', 'time_exclude_home_posts' );