PHP the_excerpt函数代码示例

    function homepage_slider()
    {
        query_posts(array('posts_per_page' => -1, 'post__in' => get_option('sticky_posts'), 'meta_key' => '_thumbnail_id'));
        ?>
		<?php 
        if (have_posts()) {
            ?>
			<style>
				.bx-slider{display:none;}
			</style>
			<ul class="bx-slider">
				<?php 
            while (have_posts()) {
                the_post();
                echo '<li><a href="' . get_permalink() . '">';
                echo '<span class="bx-caption">';
                the_title('<h1>', '</h1>');
                if (has_excerpt()) {
                    echo '<p>';
                    the_excerpt();
                    echo '</p>';
                }
                echo '</span>';
                the_post_thumbnail('full', 'title="' . get_the_title() . '"');
                echo '</a></li>';
            }
            ?>
			</ul>
			<?php 
        }
        wp_reset_query();
    }

function manage_portfolio_columns($column)
{
    global $post;
    if ($post->post_type == "portfolio") {
        switch ($column) {
            case "description":
                the_excerpt();
                break;
            case "portfolio_categories":
                $terms = get_the_terms($post->ID, 'portfolio_category');
                if (!empty($terms)) {
                    foreach ($terms as $t) {
                        $output[] = "<a href='edit.php?post_type=portfolio&portfolio_tag={$t->slug}'> " . esc_html(sanitize_term_field('name', $t->name, $t->term_id, 'portfolio_tag', 'display')) . "</a>";
                    }
                    $output = implode(', ', $output);
                } else {
                    $t = get_taxonomy('portfolio_category');
                    $output = "No {$t->label}";
                }
                echo $output;
                break;
            case 'thumbnail':
                echo the_post_thumbnail('thumbnail');
                break;
        }
    }
}

    /**
     * Display the post content with a link to the single post
     * @since 1.0.0
     */
    function storefront_post_content()
    {
        ?>
		<?php 
        if (is_search()) {
            ?>
			<div class="entry-summary">
				<h2><a href="<?php 
            the_permalink();
            ?>
"><?php 
            the_title();
            ?>
</a></h2>
				<?php 
            the_excerpt();
            ?>
			</div><!-- .entry-summary -->
		<?php 
        } else {
            ?>
			<div class="entry-content" itemprop="articleBody">
				<?php 
            if (has_post_thumbnail()) {
                the_post_thumbnail('full', array('itemprop' => 'image'));
            }
            the_content(sprintf(__('Continue reading %s', 'storefront'), '<span class="screen-reader-text">' . get_the_title() . '</span>'));
            wp_link_pages(array('before' => '<div class="page-links">' . __('Pages:', 'storefront'), 'after' => '</div>'));
            ?>
			</div><!-- .entry-content -->
		<?php 
        }
    }

    function widget($args, $instance)
    {
        global $post, $wp_query;
        Protect();
        extract($args, EXTR_SKIP);
        $post_query = 'showposts=1&cat=' . $instance['thecat'];
        $posts =& query_posts($post_query);
        if (have_posts()) {
            while (have_posts()) {
                the_post();
                echo $before_widget;
                $title = empty($instance['title']) ? 'Latest Excerpt' : apply_filters('widget_title', $instance['title']);
                if (!empty($title)) {
                    echo $before_title . $title . $after_title;
                }
                ?>
				<ul>
					<li><a href="<?php 
                the_permalink();
                ?>
"><?php 
                the_title();
                ?>
</a></li>
					<li><?php 
                the_excerpt();
                ?>
</li>
				</ul>
				<?php 
                echo $after_widget;
            }
        }
        UnProtect();
    }

function thinkup_input_blogtext()
{
    global $more;
    global $post;
    global $thinkup_blog_postswitch;
    // Output post thumbnail / featured media
    if (is_search()) {
        the_excerpt();
    } else {
        if (!is_search()) {
            if ($thinkup_blog_postswitch == 'option1' or empty($thinkup_blog_postswitch)) {
                the_excerpt();
            } else {
                if ($thinkup_blog_postswitch == 'option2') {
                    // Allow user to user <!--more--> HTML tag
                    $more = 0;
                    // Remove all HMTL from the_content - Only allow specified tags
                    ob_start();
                    the_content('');
                    $old_content = ob_get_clean();
                    $new_content = strip_tags($old_content, '<p><a><b><br/><br /><input><form><textarea><li><ol><ul><table><h1><h2><h3><h4><h5><h6>');
                    echo $new_content;
                }
            }
        }
    }
}

    /** @see WP_Widget::widget */
    function widget($args, $instance)
    {
        extract($args);
        global $wp_query;
        $get_quotes = new WP_Query("post_type=quotes&post_status=publish&posts_per_page=1&orderby=rand");
        ?>

        <li class="featured-quote">
        	<?php 
        while ($get_quotes->have_posts()) {
            $get_quotes->the_post();
            global $post;
            $link = get_post_meta($post->ID, "info_box_link", true);
            ?>
    
                <blockquote>
                    <?php 
            the_excerpt();
            ?>

                </blockquote>
                <cite>~ <a href="<?php 
            echo $link;
            ?>
"><?php 
            the_title();
            ?>
</a></cite>
			<?php 
        }
        ?>

        </li>
<?php 
    }

/**
 * POST CONTENT - query posts
 *
 * output post content for Query Posts widget, based on predefined arguments
 * @since 7.0
 */
function bizz_post_content_query($args = '', $post_count = false)
{
    global $wp_query, $post, $opt;
    bizz_hook_before_post($post_count);
    #hook
    echo "<" . apply_filters('bizz_html5_section', "div") . " class=\"format_text\">\n";
    $selflink = isset($args['thumb_selflink']) && $args['thumb_selflink'] == true ? true : false;
    $cropp = isset($args['thumb_cropp']) && $args['thumb_cropp'] != '' ? $args['thumb_cropp'] : 'c';
    if (isset($opt['bizzthemes_thumb_show']['value']) && $args['thumb_display']) {
        bizz_image('width=' . $args['thumb_width'] . '&height=' . $args['thumb_height'] . '&class=thumbnail ' . $args['thumb_align'] . '&cropp=' . $cropp . '&selflink=' . $selflink . '&filter=' . $args['thumb_filter'] . '&sharpen=' . $args['thumb_sharpen'] . '');
    }
    if ($args['remove_posts'] == '0') {
        if ($args['full_posts'] == '0' && (is_archive() || $wp_query->is_posts_page || is_search() || is_home())) {
            the_excerpt();
            if ($args['read_more']) {
                echo apply_filters('bizz_read_more', '<span class="read-more"><a href="' . get_permalink() . '" class="url fn" rel="nofollow">' . $args['read_more_text'] . '</a></span>');
            }
        } else {
            the_content($args['read_more_text']);
        }
        wp_link_pages(array('before' => '<div class="page-link">', 'after' => '</div>'));
    }
    echo '<div class="fix"><!----></div>';
    echo "</" . apply_filters('bizz_html5_section', "div") . ">\n";
    bizz_hook_after_post($post_count);
    #hook
}

 /**
  * Customize the columns in the table of all post types
  * 
  * @since 1.0.0          
  */
 public function custom_columns($column)
 {
     global $post;
     switch ($column) {
         case "image":
             if (has_post_thumbnail()) {
                 echo get_the_post_thumbnail(null, 'thumb-testimonial');
             }
             break;
         case 'story':
             the_excerpt();
             break;
         case 'website':
             $label = yit_get_post_meta(get_the_ID(), '_site-label');
             $siteurl = yit_get_post_meta(get_the_ID(), '_site-url');
             if ($siteurl != '') {
                 if ($label != '') {
                     echo '<a href="' . esc_url($siteurl) . '">' . $label . '</a>';
                 } else {
                     echo '<a href="' . esc_url($siteurl) . '">' . $siteurl . '</a>';
                 }
             }
             break;
     }
 }

    /** @see WP_Widget::widget */
    function widget($args, $instance)
    {
        extract($args);
        $title = apply_filters('widget_title', $instance['title']);
        $post_type = $instance['post_type'];
        $link_text = $instance['link_text'];
        echo $before_widget;
        if ($title) {
            echo $before_title . $title . $after_title;
        }
        query_posts(array('post_type' => $post_type, 'showposts' => 1));
        if (have_posts()) {
            while (have_posts()) {
                the_post();
                $content = substr(get_the_content(), 0, 100);
                the_title('<h4>', '</h4>');
                the_excerpt();
                ?>
<a href="<?php 
                the_permalink();
                ?>
" class="btn_Select" title="<?php 
                the_title_attribute();
                ?>
"><span><?php 
                echo $link_text;
                ?>
</span><strong>&gt;</strong></a><?php 
            }
        } else {
            _e('Sorry, no posts matched your criteria.');
        }
        wp_reset_query();
        echo $after_widget;
    }

function post_excerpts_here()
{
    //posts with date, author, time, content excerpts, and title..
    if (have_posts()) {
        while (have_posts()) {
            echo '<div class="excerpt-div">';
            the_post();
            echo '<h2 class="post-title"><a href="';
            the_permalink();
            echo '" title="';
            the_title();
            echo '">';
            the_title();
            echo '</a></h2>';
            echo '<h4 class="post-info">';
            echo 'Created on ';
            the_date();
            echo ' at ';
            the_time();
            echo ' by ';
            the_author_meta(first_name);
            echo '.</h4>';
            echo '<p class="post-excerpt">';
            the_excerpt();
            echo '</p>';
            echo '</div>';
        }
        // end while
    }
    // end if
}

function my_facebook_tags()
{
    if (is_single()) {
        ?>
		<meta property="og:title" content="<?php 
        the_title();
        ?>
" />
		<meta property="og:site_name" content="<?php 
        bloginfo('name');
        ?>
" />
		<meta property="og:url" content="<?php 
        the_permalink();
        ?>
" />
		<meta property="og:description" content="<?php 
        the_excerpt();
        ?>
" />
		<meta property="og:type" content="article" />
<?php 
        if (has_post_thumbnail()) {
            $image = wp_get_attachment_image_src(get_post_thumbnail_id(), 'large');
            ?>
<meta property="og:image" content="<?php 
            echo $image[0];
            ?>
" />
<?php 
        }
    }
}

function organizedthemes_manage_testimony_columns($column, $post_id)
{
    global $post;
    switch ($column) {
        /* If displaying the 'job title' column. */
        case 'testimony_title':
            /* Get the post meta. */
            $job_title = get_post_meta($post_id, 'title', true);
            /* If no duration is found, output a default message. */
            if (empty($job_title)) {
                echo __('', 'organizedthemes');
            } else {
                printf(__('%s'), $job_title);
            }
            break;
            /* If displaying the 'testimony-group' column. */
        /* If displaying the 'testimony-group' column. */
        case "testimony_content":
            //Adds the excerpt to the bio column
            the_excerpt();
            break;
            /* Just break out of the switch statement for everything else. */
        /* Just break out of the switch statement for everything else. */
        default:
            break;
    }
}

function load_posts()
{
    // variaveis da query
    $numPosts = isset($_GET['numPosts']) ? $_GET['numPosts'] : 0;
    $page = isset($_GET['page']) ? $_GET['page'] : 0;
    // modificados do loop
    query_posts(array('post_por_page' => $numPosts, 'paged' => $page, 'post_status' => 'publish', 'post_type' => 'post'));
    // loop
    if (have_posts()) {
        while (have_posts()) {
            the_post();
            ?>
			<article class="artigos">
				<h1><?php 
            the_title();
            ?>
</h1>
				<?php 
            the_excerpt();
            ?>
			</article>
		<?php 
        }
    }
    // limpa da memória a query
    wp_reset_query();
    // finaliza o script
    wp_die();
}

/**
 * kool_preview_boxes shows the next set of posts. It shows as many boxes as
 * you show posts on your blog page. This works best when there is an even
 * number of posts displayed (2,4,6,8,10) but it can work with an odd number
 * if alignment is set or if the width of boxes is set to 100% which would allow
 * for a column effct.
 * 
 * To use kool_preview simply add the function call in your theme's index after
 * the content is displayed. I could technically go before as well.      
 */
function kool_preview_boxes()
{
    global $post;
    if (is_paged()) {
        $target_page = get_query_var('paged') + 1;
    } else {
        $target_page = 2;
    }
    $args = array('paged' => $target_page, 'orderby' => 'post_date', 'post_type' => 'post', 'post_status' => 'publish');
    $k_posts = new WP_Query($args);
    if ($k_posts and $k_posts->have_posts()) {
        while ($k_posts->have_posts()) {
            $k_posts->the_post();
            $thumb_query = array('numberposts' => 1, 'post_type' => 'attachment', 'post_parent' => $post->ID);
            echo '<div class="preview_box" >';
            $attachment = get_posts($thumb_query);
            foreach ($attachment as $attach) {
                if ($attach) {
                    $img = wp_get_attachment_image_src($attach->ID, $size = 'thumbnail', $icon = true);
                    echo "<img class='preview_thumb' src='{$img['0']}' >";
                }
            }
            echo '<a rel="bookmark" href=';
            the_permalink();
            echo '>';
            echo the_title() . '</a><br>';
            the_excerpt();
            echo "</div>";
        }
    }
}

        function categori_news(){
            query_posts('cat=9&showposts=10&posts_per_page=3');

            while (have_posts()) : the_post();
                /*Dima insert*/the_excerpt(); ?>
                <div class="content-box">
                    <div class="bgr01"><div class="bgr02"><div class="bgr03">
                                <div <?php post_class() ?> id="post-<?php the_ID(); ?>" style=" float:none; ">
                                    <div class="title">
                                        <h2><a href="<?php the_permalink() ?>" rel="bookmark" title="Permanent Link to <?php the_title_attribute(); ?>"><?php the_title(); ?></a></h2>
                                        <div class="date_all">
                                            <?php the_time('l, j ?F, Y') ?>
                                        </div>
                                        <div class="post">
                                            Написал <?php the_author_link() ?> <?php the_time('g:i A') ?>
                                        </div>
                                    </div>
                                    <div class="content_box">
                                        <?php the_content('Читать всё'); ?>
                                    </div>

                                    <div class="postmetadata"><?php the_tags('Tags: ', ', ', '<br />'); ?></div>

                                    <div class="comments"><?php comments_popup_link('0 комментарии', 'комментарии', '% комментарии '); ?></div>
                                    <div class="link-edit"><?php edit_post_link('Edit', ''); ?></div>
                                </div>
                            </div></div></div>
                </div>
            <?php endwhile;}