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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.
| Line | Code |
|---|---|
| 166 | } |
| 167 | ?> |
| 168 | </select> |
| 169 | <?php } ?> |
| 170 | |
| 171 | <?php |
| 172 | $dropdown_options = array('show_option_all' => __('View all categories'), 'hide_empty' => 0, 'hierarchical' => 1, |
| 173 | 'show_count' => 0, 'orderby' => 'name', 'selected' => $cat); |
| 174 | wp_dropdown_categories($dropdown_options); |
| 175 | do_action('restrict_manage_posts'); |
| 176 | ?> |
| 177 | <input type="submit" id="post-query-submit" value="<?php _e('Filter'); ?>" class="button-secondary" /> |
| 178 | |
| 179 | <?php } ?> |
| 180 | </div> |
| 181 | |
| 182 | <br class="clear" /> |
| 183 | </div> |
| 184 | |