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Source View

This hook occurs 3 times in this file.

Line Code
163  * @param string $separator Optional, default is empty string. Separator for between the categories.
164  * @param string $parents Optional. How to display the parents.
165  * @param int $post_id Optional. Post ID to retrieve categories.
166  * @return string
167  */
168 function get_the_category_list( $separator = '', $parents='', $post_id = false ) {
169      global $wp_rewrite;
170      if ( ! is_object_in_taxonomy( get_post_type( $post_id ), 'category' ) ) {
171           /** This filter is documented in wp-includes/category-template.php */
172           return apply_filters( 'the_category', '', $separator, $parents );
173      }
174
175      $categories = get_the_category( $post_id );
176      if ( empty( $categories ) ) {
177           /** This filter is documented in wp-includes/category-template.php */
178           return apply_filters( 'the_category', __( 'Uncategorized' ), $separator, $parents );
179      }
180
181      $rel = ( is_object( $wp_rewrite ) && $wp_rewrite->using_permalinks() ) ? 'rel="category tag"' : 'rel="category"';
182
183      $thelist = '';
184      if ( '' == $separator ) {
185           $thelist .= '<ul class="post-categories">';
186           foreach ( $categories as $category ) {
187                $thelist .= "\n\t<li>";
 
Line Code
232       * Filter the category or list of categories.
233       *
234       * @since 1.2.0
235       *
236       * @param array  $thelist   List of categories for the current post.
237       * @param string $separator Separator used between the categories.
238       * @param string $parents   How to display the category parents. Accepts 'multiple',
239       *                          'single', or empty.
240       */
241      return apply_filters( 'the_category', $thelist, $separator, $parents );
242 }
243
244 /**
245  * Check if the current post in within any of the given categories.
246  *
247  * The given categories are checked against the post's categories' term_ids, names and slugs.
248  * Categories given as integers will only be checked against the post's categories' term_ids.
249  *
250  * Prior to v2.5 of WordPress, category names were not supported.