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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 |
|---|---|
| 309 | remove_filter( 'pre_option_show_avatars', '__return_true', 100 ); |
| 310 | |
| 311 | /** |
| 312 | * Filters the HTML output of the default avatar list. |
| 313 | * |
| 314 | * @since 2.6.0 |
| 315 | * |
| 316 | * @param string $avatar_list HTML markup of the avatar list. |
| 317 | */ |
| 318 | echo apply_filters( 'default_avatar_select', $avatar_list ); |
| 319 | ?> |
| 320 | |
| 321 | </fieldset></td> |
| 322 | </tr> |
| 323 | <?php do_settings_fields( 'discussion', 'avatars' ); ?> |
| 324 | </table> |
| 325 | |
| 326 | <?php do_settings_sections( 'discussion' ); ?> |
| 327 | |