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PODo a custom query search in wordpress by post meta
 

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  1. PODo a custom query search in wordpress by post meta
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    <p>I'm doing a custom search in wordpress, and I would like to find my custom type articles by searching them from custom meta keys.</p> <p>This code filters posts by custom types, but filters all of them by custom metas, showing no results!</p> <pre><code>function filtri_di_ricerca( $query ) { if ( is_admin() || ! $query-&gt;is_main_query() ) return; if (is_home()) { $query-&gt;set('post_type', 'post_annunci'); $query-&gt;set('posts_per_page', 1000); $meta_query = array(); // Only check these form fields $fields = array( 'annuncio_contratto', 'annuncio_categorie', 'annuncio_tipologia', 'annuncio_citta', 'annuncio_prezzo'); foreach( $fields as $field ) { if( $_GET[$field] != '' ) { // We have something to match, otherwise ignore the field... $meta_query[] = array( 'key' =&gt; $field, 'value' =&gt; $_GET[$field], 'compare' =&gt; '=' ); } } $meta_query['relation'] = 'AND'; $query-&gt;set('meta_query',$meta_query); } return; } add_action( 'pre_get_posts', 'filtri_di_ricerca'); </code></pre> <p>The search address is:</p> <pre><code>http://example.com/?annuncio_contratto=Vendita&amp;annuncio_categorie=Residenziale&amp;annuncio_tipologia=Appartamento&amp;annuncio_citta=NewYork </code></pre> <p>DEBUG with:</p> <pre><code>echo "&lt;pre&gt;"; print_r($wp_query-&gt;query_vars); echo "&lt;/pre&gt;"; </code></pre> <p>result:</p> <pre><code>Array ( [error] =&gt; [m] =&gt; 0 [p] =&gt; 0 [post_parent] =&gt; [subpost] =&gt; [subpost_id] =&gt; [attachment] =&gt; [attachment_id] =&gt; 0 [name] =&gt; [static] =&gt; [pagename] =&gt; [page_id] =&gt; 0 [second] =&gt; [minute] =&gt; [hour] =&gt; [day] =&gt; 0 [monthnum] =&gt; 0 [year] =&gt; 0 [w] =&gt; 0 [category_name] =&gt; [tag] =&gt; [cat] =&gt; [tag_id] =&gt; [author_name] =&gt; [feed] =&gt; [tb] =&gt; [paged] =&gt; 0 [comments_popup] =&gt; [meta_key] =&gt; [meta_value] =&gt; [preview] =&gt; [s] =&gt; [sentence] =&gt; [fields] =&gt; [menu_order] =&gt; [category__in] =&gt; Array ( ) [category__not_in] =&gt; Array ( ) [category__and] =&gt; Array ( ) [post__in] =&gt; Array ( ) [post__not_in] =&gt; Array ( ) [tag__in] =&gt; Array ( ) [tag__not_in] =&gt; Array ( ) [tag__and] =&gt; Array ( ) [tag_slug__in] =&gt; Array ( ) [tag_slug__and] =&gt; Array ( ) [post_type] =&gt; post_annunci [posts_per_page] =&gt; 1000 [meta_query] =&gt; Array ( [0] =&gt; Array ( [key] =&gt; annuncio_contratto [value] =&gt; Vendita [compare] =&gt; = ) [1] =&gt; Array ( [key] =&gt; annuncio_categorie [value] =&gt; Residenziale [compare] =&gt; = ) [2] =&gt; Array ( [key] =&gt; annuncio_tipologia [value] =&gt; Appartamento [compare] =&gt; = ) [3] =&gt; Array ( [key] =&gt; annuncio_citta [value] =&gt; Pesaro [compare] =&gt; = ) [relation] =&gt; AND ) [ignore_sticky_posts] =&gt; [suppress_filters] =&gt; [cache_results] =&gt; 1 [update_post_term_cache] =&gt; 1 [update_post_meta_cache] =&gt; 1 [nopaging] =&gt; [comments_per_page] =&gt; 50 [no_found_rows] =&gt; [order] =&gt; DESC ) </code></pre>
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