filter search results #php #searchwp

filter-search-results.php

<?php

function filter_the_posts($posts, &$wp_query) {
	if( is_search() )
	{
		//make array of product ids
		$ids = array();
		foreach ($posts as $key => $post)
		{			
			$ids[$post->ID] = $post->ID;
		}
//var_dump($posts);
//echo '<br><br>';

		$filtered_posts = array();
		foreach ($posts as $key => $post)
		{
			//check if product has parent id
			$group_args = array(
				'post_type' => 'product',
				'meta_query' => array(
				  array(
					'key' => '_children',
					'value' => 'i:' . $post->ID . ';',
					'compare' => 'LIKE',
				  )
				),
				'fields' => 'ids' // THIS LINE FILTERS THE SELECT SQL
			);
			$parents = get_posts( $group_args );
			$parentid = count($parents) > 0 ? array_shift($parents) : false;

			if (!$parentid)
			{					
				$filtered_posts[] = $post;
			} 
			else
			{
				//echo 'parentid:'. $parentid;
				if ( is_array($ids) )
				{
					if ( !in_array($parentid, $ids) )			
					{

						//get parent id
						//echo 'not found in array';
						$filtered_posts[] = get_post($parentid);
						//unset($wp_query[$key]);

						$ids[] = $parentid;
						//var_dump($filtered_posts);
					}
				}
				//var_dump($post->ID);
				//$wp_query->request = str_replace($post->ID.',', '', $wp_query->request);				
			}
		}
		
		/* hacky slashy */

		global $woocommerce_loop;
		$woocommerce_loop['paged'] = (isset($woocommerce_loop['paged'])) ? $woocommerce_loop['paged'] : 1;
		$woocommerce_loop['total'] = count($filtered_posts);
		$woocommerce_loop['post_count'] = count($filtered_posts);		
		$woocommerce_loop['per_page'] = 12;
		$woocommerce_loop['total_pages'] = ceil(count($filtered_posts)/12);
		//$woocommerce_loop['current_page'] = $args['paged'];		

		//var_dump($wp_query->request);;
		$wp_query->posts = $filtered_posts;
		//unset($wp_query->posts);
		//unset($GLOBALS['wp_query']);
		//$GLOBALS['wp_query'] =& $GLOBALS['wp_the_query'];
		//wp_reset_postdata(); // <-- RESET QUERY

		return $filtered_posts;
		//return $posts;  		
  	}
	return $posts;
}
//add_filter('the_posts','filter_the_posts',10,1);
add_filter( 'posts_results', 'filter_the_posts',10, 2 );

?>