CPT GROUP BY DATE Metabox值

我正在使用自定义帖子类型构建一个事件插件。我运行了一个循环，它将使用一个短代码显示页面上的所有事件。我的问题是如何设置它，以便它按元数据库中设置的月份对事件进行分组_eDate 并将该组放在一个标题下。例如，7月的所有事件将显示在7月h1标记下。

以下是我当前使用的循环：

function events_list_shortcode() {

    // Query Post Type
    $args = array(
        \'post_type\' => \'events\',
        \'post_status\' => \'publish\'
);

$i = 0;
$the_query = new WP_Query($args);

// Build It
if ($the_query->have_posts()) :
    ?>
    <div id="event-list">
        <?php while ($the_query->have_posts()) : $the_query->the_post(); ?>
            <div class="row">
                <div class="event-image alignleft">
                    <a href="<?php echo get_permalink(get_the_ID()); ?>">
                        <?php
                        if (has_post_thumbnail()) {
                            the_post_thumbnail(\'thumbnail\');
                        }
                        ?>
                    </a>
                </div>
                <div class="event-content alignleft">
                    <h3><a href="<?php echo get_permalink(get_the_ID()); ?>"><?php the_title(); ?></a></h3>
                    <?php
                    $eventDate = strtotime(get_post_meta(get_the_ID(), \'_eDate\', true));

                    if (!empty($eventDate)) {
                        ?>
                        <div class="event-date">
                            <?php echo date(\'F - j\', $eventDate); ?>
                        </div>
                    <?php } ?>

                    <?php
                    $eventTime = strtotime(get_post_meta(get_the_ID(), \'_eTime\', true));

                    if (!empty($eventDate)) {
                        ?>
                        <div class="event-time">
                            <?php echo date(\'g:i A\', $eventTime); ?>
                        </div>
                    <?php } ?>

                    <?php
                    $eventPrice = get_post_meta(get_the_ID(), \'_ePrice\', true);

                    if (!empty($eventPrice)) {
                        ?>
                        <div class="event-price">
                            <?php echo $eventPrice; ?>
                        </div>
                    <?php } ?>

                    <br/>
                    <a href="<?php echo get_permalink(get_the_ID()); ?>">More Information</a>
                </div>
                <div class="event-buy alignleft">
                    <?php
                    $eventBuy = get_post_meta(get_the_ID(), \'_eBuy\', true);

                    if (!empty($eventDate)) {
                        ?>
                        <div class="event-buy">
                            <a class="buy-btn btn" href="<?php echo $eventBuy ?>" target="_blank">Buy Online</a>
                        </div>
                    <?php } ?> 
                </div>
            </div>
        </div>
        <?php wp_reset_postdata(); ?>
        <?php
    endwhile;
endif;
}

// Query Post Type $args = array( \'post_type\' => \'events\', \'post_status\' => \'publish\', \'meta_key\' => \'_eDate\', \'orderby\' => \'meta_value\' ); $the_query = new WP_Query($args); // Build It if ( $the_query->have_posts() ) { $month_array = array(); while ( $the_query->have_posts() ) { $the_query->the_post(); $date_field = get_post_meta( $post->ID, \'_eDate\', true ); $month_format = DateTime::createFromFormat( \'Y-m-d\', $date_field ); $month_number = $month_format->format(\'m\'); $month_array[] = $month_number; // Choose the format you want to display as indicated below if ( $the_query->current_post == 0 ) // Output date id this is the first post echo \'<h2>\' . $month_format->format( \'F\' ) . \'</h2>\'; // Output month name as January if ( $the_query->current_post != 0 && $month_number != $month_array[$the_query->current_post - 1] ) echo \'<h2>\' . $month_format->format( \'F\' ) . \'</h2>\'; // Output month name as January // DISPLAY YOUR POSTS AS PER NORMAL } // endwhile wp_reset_postdata(); } // endif

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