Random post, once per day

我有一个自定义的帖子类型“quotes”，我想每天在主页上显示一个随机条目。

这是我当前必须显示内容的代码：

            <?php query_posts( \'post_type=quote&orderby=rand&showposts=1\' ); ?>
            <?php if (have_posts()) : while (have_posts()) : the_post(); ?>
            <?php if ( has_post_thumbnail() ) {
                the_post_thumbnail( \'thumbnail-quote\' );
                } else { ?>
                <img src="<?php bloginfo(\'template_directory\'); ?>/img/thumb1.jpg" alt="x" class="quote_person" />
                <?php } ?>
        <div class="quote_container">
            <span class="quote_intro hstack">Quote of the day:</span><a class="quote_tweet hstack" href="#">Tweet this quote <i class="fa fa-twitter"></i></a>
            <div class="quote_message white gstack"><?php the_field(\'quote\'); ?></div>
            <div class="quote_source white hstack"><?php the_field(\'attribution\'); ?></div>
        </div>
        <?php endwhile; endif; ?>

EDIT:

根据这些有用的建议，我现在有如下内容：

            <?php 

        if ( false === ( $quotes = get_transient( \'random_quote\' ) ) ) {
          // It wasn\'t there, so regenerate the data and save the transient

          $args = array(
             \'post_type\' => \'quote\',
             \'orderby\'   => \'rand\',
             \'posts_per_page\' => \'1\'
          );

          $quotes = get_posts( $args );

          //Now we store the array for one day.
          //Just change the last parameter for another timespan in seconds.
          $seconds_until_next_day = strtotime(\'tomorrow\') - time();
          set_transient( \'random_quote\', $quotes, $seconds_until_next_day );
        }

        foreach ( $quotes as $post ) : setup_postdata( $post );
        if ( have_posts()) : while (have_posts()) : the_post();

            if ( has_post_thumbnail() ) {
            the_post_thumbnail( \'thumbnail-quote\' );
            } else { \'<img src="\' . bloginfo(\'template_directory\') .\'/img/thumb1.jpg" alt="University of Lincoln" class="quote_person" />\'
            echo \'<div class="quote_container">
                <span class="quote_intro hstack">Quote of the day:</span><a class="quote_tweet hstack" href="#">Tweet this quote <i class="fa fa-twitter"></i></a>
                <div class="quote_message white gstack" id="thequote">\' . the_field(\'quote\') . \'</div>
                <div class="quote_source white hstack">\' . the_field(\'attribution\') . \'</div>
            </div>
            \'; }

        endforeach; 
        wp_reset_postdata();


        ?>

我不太确定foreach的说法是否正确。

if ( false === ( $quotes = get_transient( \'random_quote\' ) ) ) { // It wasn\'t there, so regenerate the data and save the transient $args = array( \'post_type\' => \'quote\', \'orderby\' => \'rand\', \'posts_per_page\' => \'1\' ); $quotes = get_posts( $args ); //Now we store the array for one day. //Just change the last parameter for another timespan in seconds. set_transient( \'random_quote\', $quotes, DAY_IN_SECONDS ); }

foreach ( $quotes as $post ) : setup_postdata( $post ); if ( has_post_thumbnail() ) { the_post_thumbnail( \'thumbnail-quote\' ); } else { ?> <img src="<?php echo get_stylesheet_directory_uri (); ?>/img/thumb1.jpg" alt="x" class="quote_person" /> <?php } ?> <div class="quote_container"> <span class="quote_intro hstack">Quote of the day:</span><a class="quote_tweet hstack" href="#">Tweet this quote <i class="fa fa-twitter"></i></a> <div class="quote_message white gstack"><?php the_field(\'quote\'); ?></div> <div class="quote_source white hstack"><?php the_field(\'attribution\'); ?></div> </div> <?php endforeach; wp_reset_postdata();

将wp_Query替换为wp_User_Query

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