WP hooks navigation: Home/browse • Actions index • Filters index
To save our bandwidth, we show only a snippet of code around each occurence of the hook. View complete file in SVN (without highlighting).
The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )apply_filters( "hook_name", "what_to_filter" ).Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
This hook occurs 2 times in this file.
| Line | Code |
|---|---|
| 110 | if ( is_wp_error( $category ) ) |
| 111 | return $category; |
| 112 | return $category->name; |
| 113 | } |
| 114 | |
| 115 | function get_the_category_list($separator = '', $parents='', $post_id = false) { |
| 116 | global $wp_rewrite; |
| 117 | $categories = get_the_category($post_id); |
| 118 | if (empty($categories)) |
| 119 | return apply_filters('the_category', __('Uncategorized'), $separator, $parents); |
| 120 | |
| 121 | $rel = ( is_object($wp_rewrite) && $wp_rewrite->using_permalinks() ) ? 'rel="category tag"' : 'rel="category"'; |
| 122 | |
| 123 | $thelist = ''; |
| 124 | if ( '' == $separator ) { |
| 125 | $thelist .= '<ul class="post-categories">'; |
| 126 | foreach ( $categories as $category ) { |
| 127 | $thelist .= "\n\t<li>"; |
| 128 | switch ( strtolower($parents) ) { |
| Line | Code |
| 161 | $thelist .= "$category->cat_name</a>"; |
| 162 | break; |
| 163 | case '': |
| 164 | default: |
| 165 | $thelist .= '<a href="' . get_category_link($category->term_id) . '" title="' . sprintf(__("View all posts in %s"), $category->name) . '" ' . $rel . '>' . $category->name.'</a>'; |
| 166 | } |
| 167 | ++$i; |
| 168 | } |
| 169 | } |
| 170 | return apply_filters('the_category', $thelist, $separator, $parents); |
| 171 | } |
| 172 | |
| 173 | /* |
| 174 | * in_category() - Checks whether the current post is within a particular category |
| 175 | * |
| 176 | * This function checks to see if the post is within the supplied category. The categoy |
| 177 | * can be specified by number or name and will be checked as a name first to allow for categories with numeric names. |
| 178 | * Note: Prior to v2.5 of WordPress category names where not supported. |
| 179 | * |