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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
157       *
158       * Only applies to posts with post_type of 'post'.
159       *
160       * @since 3.0.0
161       *
162       * @param string  $permalink The site's permalink structure.
163       * @param WP_Post $post      The post in question.
164       * @param bool    $leavename Whether to keep the post name.
165       */
166      $permalink = apply_filters( 'pre_post_link', $permalink, $post, $leavename );
167
168      if ( '' != $permalink && ! in_array( $post->post_status, array( 'draft', 'pending', 'auto-draft', 'future' ) ) ) {
169
170           $category = '';
171           if ( strpos( $permalink, '%category%' ) !== false ) {
172                $cats = get_the_category( $post->ID );
173                if ( $cats ) {
174                     $cats = wp_list_sort(
175                          $cats,