Order your wordpress posts query by max or min meta key value by adding: orderby => 'meta_value_num' and the meta_key you wish to orderby.
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$max_query = new WP_Query( array( 'post_type' => 'products', 'post_status' => 'publish', 'orderby'=>'meta_value_num', 'order'=>'DESC','meta_key'=>'wpcf-cost','posts_per_page'=>1) ); |
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$min_query = new WP_Query( array( 'post_type' => 'products', 'post_status' => 'publish', 'orderby'=>'meta_value_num', 'order'=>'ASC','meta_key'=>'wpcf-cost','posts_per_page'=>1) ); |