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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 |
|---|---|
| 25 | <?php wp_original_referer_field(true, 'previous'); wp_nonce_field($nonce_action); ?> |
| 26 | <table class="form-table"> |
| 27 | <tr class="form-field form-required"> |
| 28 | <th scope="row" valign="top"><label for="name"><?php _e('Tag name') ?></label></th> |
| 29 | <td><input name="name" id="name" type="text" value="<?php echo attribute_escape($tag->name); ?>" size="40" aria-required="true" /> |
| 30 | <p><?php _e('The name is how the tag appears on your site.'); ?></p></td> |
| 31 | </tr> |
| 32 | <tr class="form-field"> |
| 33 | <th scope="row" valign="top"><label for="slug"><?php _e('Tag slug') ?></label></th> |
| 34 | <td><input name="slug" id="slug" type="text" value="<?php echo attribute_escape(apply_filters('editable_slug', $tag->slug)); ?>" size="40" /> |
| 35 | <p><?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> |
| 36 | </tr> |
| 37 | </table> |
| 38 | <p class="submit"><input type="submit" class="button" name="submit" value="<?php echo $submit_text ?>" /></p> |
| 39 | <?php do_action('edit_tag_form', $tag); ?> |
| 40 | </form> |
| 41 | </div> |
| 42 | |