获取WordPress文章的第一个链接

function get_content_link( $content = false, $echo = false )
{
    if ( $content === false )
        $content = get_the_content(); 
 
    $content = preg_match_all( '/hrefs*=s*["']([^"']+)/', $content, $links );
    $content = $links[1][0];
 
    if ( empty($content) ) {
    	$content = false;
    }
 
    return $content;
}

<h2><a href="<?php echo get_content_link( get_the_content() ); ?>"><?php the_title(); ?></a></h2>
<p><?php the_excerpt(); ?></p>
<a href="<?php the_permalink(); ?>">Comment »</a>