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Source View: pre_post_link

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Understanding Source Code

The best way to understand what a hook does is to look at where it occurs in the source code.

Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.

Source View

Line Code
106      if ( $post->post_type == 'page' )
107           return get_page_link($post->ID, $leavename, $sample);
108      elseif ( $post->post_type == 'attachment' )
109           return get_attachment_link($post->ID);
110      elseif ( in_array($post->post_type, get_post_types( array('_builtin' => false) ) ) )
111           return get_post_permalink($post->ID, $leavename, $sample);
112
113      $permalink = get_option('permalink_structure');
114
115      $permalink = apply_filters('pre_post_link', $permalink, $post, $leavename);
116
117      if ( '' != $permalink && !in_array($post->post_status, array('draft', 'pending', 'auto-draft')) ) {
118           $unixtime = strtotime($post->post_date);
119
120           $category = '';
121           if ( strpos($permalink, '%category%') !== false ) {
122                $cats = get_the_category($post->ID);
123                if ( $cats ) {
124                     usort($cats, '_usort_terms_by_ID'); // order by ID