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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 3 times in this file.
Line | Code |
---|---|
148 | * |
149 | * @param string $separator Optional, default is empty string. Separator for between the categories. |
150 | * @param string $parents Optional. How to display the parents. |
151 | * @param int $post_id Optional. Post ID to retrieve categories. |
152 | * @return string |
153 | */ |
154 | function get_the_category_list( $separator = '', $parents='', $post_id = false ) { |
155 | global $wp_rewrite; |
156 | if ( ! is_object_in_taxonomy( get_post_type( $post_id ), 'category' ) ) |
157 | return apply_filters( 'the_category', '', $separator, $parents ); |
158 |
|
159 | $categories = get_the_category( $post_id ); |
160 | if ( empty( $categories ) ) |
161 | return apply_filters( 'the_category', __( 'Uncategorized' ), $separator, $parents ); |
162 |
|
163 | $rel = ( is_object( $wp_rewrite ) && $wp_rewrite->using_permalinks() ) ? 'rel="category tag"' : 'rel="category"'; |
164 |
|
165 | $thelist = ''; |
166 | if ( '' == $separator ) { |
167 | $thelist .= '<ul class="post-categories">'; |
168 | foreach ( $categories as $category ) { |
169 | $thelist .= "\n\t<li>"; |
170 | switch ( strtolower( $parents ) ) { |
Line | Code |
203 | $thelist .= "$category->name</a>"; |
204 | break; |
205 | case '': |
206 | default: |
207 | $thelist .= '<a href="' . esc_url( get_category_link( $category->term_id ) ) . '" title="' . esc_attr( sprintf( __( "View all posts in %s" ), $category->name ) ) . '" ' . $rel . '>' . $category->name.'</a>'; |
208 | } |
209 | ++$i; |
210 | } |
211 | } |
212 | return apply_filters( 'the_category', $thelist, $separator, $parents ); |
213 | } |
214 |
|
215 | /** |
216 | * Check if the current post in within any of the given categories. |
217 | * |
218 | * The given categories are checked against the post's categories' term_ids, names and slugs. |
219 | * Categories given as integers will only be checked against the post's categories' term_ids. |
220 | * |
221 | * Prior to v2.5 of WordPress, category names were not supported. |