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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 |
|---|---|
| 38 | <?php wp_dropdown_categories('hide_empty=0&name=category_parent&orderby=name&selected=' . $category->parent . '&hierarchical=1&show_option_none=' . __('None')); ?> |
| 39 | </td> |
| 40 | </tr> |
| 41 | <tr> |
| 42 | <th scope="row" valign="top"><label for="category_description"><?php _e('Description: (optional)') ?></label></th> |
| 43 | <td><textarea name="category_description" id="category_description" rows="5" cols="50" style="width: 97%;"><?php echo wp_specialchars($category->description); ?></textarea></td> |
| 44 | </tr> |
| 45 | </table> |
| 46 | <p class="submit"><input type="submit" name="submit" value="<?php echo $submit_text ?>" /></p> |
| 47 | <?php do_action('edit_category_form', $category); ?> |
| 48 | </form> |
| 49 | </div> |
| 50 | |