使用If Else语句显示/过滤POST

这里是：我想根据类别（Party）筛选我的帖子，如果带有类别Party的帖子有标记为“event”，则会显示该帖子如果没有“event”标记，则只会显示Party类别的最近帖子

这是我的代码：

<?php 
    $post_cat = array(
            \'posts_per_page\' => \'1\',
            \'cat\' => \'3\'
            );
    $post_tag = array(
            \'posts_per_page\' => \'1\',
            \'cat\' => \'3\',
            \'tag\' => \'event\'
            );  
    $catquery = new WP_Query( $post_cat );
    $tagquery = new WP_Query( $post_tag );
    
    if(has_tag()) :
 
       while($tagquery->have_posts()) : $tagquery->the_post();
      
    else if(has_category()) :
 
     while($catquery->have_posts()) : $catquery->the_post();
    
    else
?>
<?php $backgroundImg = wp_get_attachment_image_src( get_post_thumbnail_id($post->ID), \'full\' );?>
<div class="blog-post-recent" style="background-image: url(\'<?php echo $backgroundImg[0]; ?>\');">
    <div class="wrap">
        <div class="blog-post-content">
            <div class="blog-post-inner-content">
                <?php the_category();?>
                <div class="blog-post-title"><a href="<?php the_permalink() ?>"><?php the_title( \'<h2>\', \'</h2>\' ); ?></a></div>
                <div class="post-date"><?php the_date(\'F j, Y\'); ?></div>
                <?php the_excerpt(); ?>
                <a class="blog-post-btn"  href="<?php the_permalink() ?>"> Read More...</a>\';
            </div>
        </div>
    </div>
</div>
<?php endif;
    wp_reset_postdata();
?>

<?php // Args to get what we want for the category $catArgs = array( \'posts_per_page\' => \'1\', \'cat\' => \'3\' ); // Args to get one post with tag event $tagArgs = array( \'posts_per_page\' => \'1\', \'cat\' => \'3\', \'tag\' => \'event\' ); $tagQuery = new WP_Query( $tagArgs ); // if there\'s something in the tagquery we\'ll use it, otherwise we\'ll use the other query if ($tagQuery->have_posts()) { $loopQuery = $tagquery; } else { $loopQuery = new WP_Query( $catArgs ); } while ($loopQuery->have_posts()): $loopQuery->the_post(); ?> <b>loop stuff here</b> <?php endwhile; ?>

Apply filters on date format

我使用Wordpress主题，其中格式日期和时间直接编码为两种格式：<?php the_time(\'d M\'); ?> <?php the_time(\'H:i\'); ?> 我想要的：显示wordpress选项中定义的日期和时间我不想在子主题中创建修改过的模板，我更喜欢使用函数。我已经在函数中添加了php。php此代码有效：add_filter( \'the_time\', \'changer_date_format\', 10, 1 ); //o

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Apply filters on date format