What you are asking for is a meta_query $args = array( ‘meta_key’ => ‘custom-meta-key’, ‘meta_query’ => array( array( ‘key’ => ‘cp_annonceur’, ‘value’ => ‘professionnel’, ‘compare’ => ‘=’, ) ) ); $query = new WP_Query($args); All of the information you need is in the Codex.
Post meta information is automatically cached in memory for a standard WP_Query (and the main query), unless you specifically tell it not to do so by using the update_post_meta_cache parameter. Therefore, you should not be writing your own queries for this. How the meta caching works for normal queries: If the update_post_meta_cache parameter to the … Read more
Use the global variable $post: <?php global $post; $post_slug = $post->post_name; ?>