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wordpress函数get_extended()用法示例

get_extended( string $post )

Get extended entry info (<!--more-->).


描述

There should not be any space after the second dash and before the word ‘more’. There can be text or space(s) after the word ‘more’, but won’t be referenced.

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The returned array has ‘main’, ‘extended’, and ‘more_text’ keys. Main has the text before the <!--more-->. The ‘extended’ key has the content after the <!--more--> comment. The ‘more_text’ key has the custom "Read More" text.


参数

$post

(string)
(Required)
Post content.


返回值

(array) Post before (‘main’), after (‘extended’), and custom read more (‘more_text’).


源代码

File: wp-includes/post.php

function get_extended( $post ) {
	//Match the new style more links.
	if ( preg_match('/<!--more(.*?)?-->/', $post, $matches) ) {
		list($main, $extended) = explode($matches[0], $post, 2);
		$more_text = $matches[1];
	} else {
		$main = $post;
		$extended = '';
		$more_text = '';
	}

	//  leading and trailing whitespace.
	$main = preg_replace('/^[\s]*(.*)[\s]*$/', '\\1', $main);
	$extended = preg_replace('/^[\s]*(.*)[\s]*$/', '\\1', $extended);
	$more_text = preg_replace('/^[\s]*(.*)[\s]*$/', '\\1', $more_text);

	return array( 'main' => $main, 'extended' => $extended, 'more_text' => $more_text );
}

更新日志

Version 描述
1.0.0 Introduced.

相关函数

Used By

  • wp-includes/class-wp-xmlrpc-server.php:
    wp_xmlrpc_server::mw_getPost()
  • wp-includes/class-wp-xmlrpc-server.php:
    wp_xmlrpc_server::mw_getRecentPosts()
  • wp-includes/class-wp-xmlrpc-server.php:
    wp_xmlrpc_server::_prepare_page()

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    Contributed by Codex

    Displaying small excerpts from latest posts

    If you want to display the latest posts on your WordPress blog, but only the content which comes before the <!--more--> tag, you can use this:

    
    <ul>
    $post = get_post();
    
    $myposts = get_posts( array(
    	'posts_per_page' => 5
    ) );
    
    foreach( $myposts as $post ) : setup_postdata( $post );  
        $content_arr = get_extended ( $post->post_content );
    	?>
        <li>
           <a href="<?php the_permalink(); ?>"><?php the_title(); ?></a>
           </br>
           <?php echo $content_arr['main']; // Display the part before the more tag  ?>   
        </li>
    <?php endforeach; ?>
    </ul>
    

    Note: $content_arr['extended'] contains the contents after the more tag.

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