<?php

    if (empty($wp)) {
        require_once( dirname( __FILE__ ) . '/wp-load.php' );
        wp( array( 'tb' => '1' ) );
    }

   /* $args = array( 'posts_per_page' => 1000, 'orderby' => 'date','order' => 'DESC','post_status' => 'publish' );
    $array_posts = get_posts($args);

     foreach ($array_posts as $post) {
        if(get_post_meta( $post->ID, 'orden', true ) > 0){
            update_post_meta($post -> ID, 'ha_salido_en_newsletter', 1);
            update_post_meta($post -> ID, 'fecha_de_newsletter_donde_sale', $post -> post_date);
            echo 'Se actualiza el post: '.$post -> ID.'</br>';
        }
    } */

    $args = array( 'posts_per_page' => -1, 'orderby' => 'date','order' => 'DESC','post_status' => 'publish', 'meta_key' => 'ha_salido_en_newsletter', 'meta_value' => 1 );
    $array_posts = get_posts($args);

    echo 'Total de artículos que han salido en Newsletter: '.count($array_posts).'</br>';
    foreach ($array_posts as $post) {
        echo 'Título del post: '.$post -> post_title.' salió el: '.get_post_meta( $post->ID, 'fecha_de_newsletter_donde_sale', true ).'</br>';
    }

?>