/functions.php
Created Apr 12, 2017
Nofollow tất cả external links
| //* Add rel nofollow to all external links | |
| function wp_nofollow($content) | |
| { | |
| return preg_replace_callback('/<a[^>]+/', 'wp_nofollow_callback', $content); | |
| } | |
| function wp_nofollow_callback($matches) | |
| { | |
| $link = $matches[0]; | |
| $site_link = get_bloginfo('url'); | |
| if (strpos($link, 'rel') === false) | |
| { | |
| $link = preg_replace("%(href=S(?!$site_link))%i", 'rel="nofollow" $1', $link); | |
| } | |
| elseif (preg_match("%href=S(?!$site_link)%i", $link)) | |
| { | |
| $link = preg_replace('/rel=S(?!nofollow)S*/i', 'rel="nofollow"', $link); | |
| } | |
| return $link; | |
| } | |
| add_filter('the_content', 'wp_nofollow'); |
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