Get WordPress Posts By Meta

getByMeta.php

<?php

function getPostByMeta( $metaKey, $metaValue, $operatos = '=' ){
        $args = array(
            'showposts' => -1,
            'meta_query' => array(
                'relation' => 'AND',
                array(
                    'key' => $metaKey,
                    'value' => $metaValue,
                    'compare' => $operator
                )
            )
        );

        $query = new \WP_Query( $args );
        // Verbose
        $list = array();
        while( $query->have_posts() ){
            $query->the_post();
            $list[] = get_post() ;
        }
        // Concise
        $list = $query->get_posts() // Returns an Array of WP_Post objects or an Empty array

        wp_reset_postdata();
        
        return $list;
  
}