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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 |
|---|---|
| 39 | <th scope="row" valign="top"><label for="slug"><?php _e('Tag slug') ?></label></th> |
| 40 | <td><input name="slug" id="slug" type="text" value="<?php if ( isset( $tag->slug ) ) echo esc_attr(apply_filters('editable_slug', $tag->slug)); ?>" size="40" /> |
| 41 | <p class="description"><?php _e('The “slug” is the URL-friendly version of the name. It is usually all lowercase and contains only letters, numbers, and hyphens.'); ?></p></td> |
| 42 | </tr> |
| 43 | <tr class="form-field"> |
| 44 | <th scope="row" valign="top"><label for="description"><?php _e('Description') ?></label></th> |
| 45 | <td><textarea name="description" id="description" rows="5" cols="50" style="width: 97%;"><?php echo esc_html($tag->description); ?></textarea><br /> |
| 46 | <span class="description"><?php _e('The description is not prominent by default, however some themes may show it.'); ?></span></td> |
| 47 | </tr> |
| 48 | <?php do_action('edit_tag_form_fields', $tag); ?> |
| 49 | </table> |
| 50 | <p class="submit"><input type="submit" class="button-primary" name="submit" value="<?php esc_attr_e('Update Tag'); ?>" /></p> |
| 51 | <?php do_action('edit_tag_form', $tag); ?> |
| 52 | </form> |
| 53 | </div> |
| 54 | |