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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 |
|---|---|
| 277 | submit_button( $title, 'apply', 'delete_all', false ); |
| 278 | } |
| 279 | /** |
| 280 | * Fires after the Filter submit button for comment types. |
| 281 | * |
| 282 | * @since 2.5.0 |
| 283 | * |
| 284 | * @param string $comment_status The comment status name. Default 'All'. |
| 285 | */ |
| 286 | do_action( 'manage_comments_nav', $comment_status ); |
| 287 | echo '</div>'; |
| 288 | } |
| 289 | |
| 290 | public function current_action() { |
| 291 | if ( isset( $_REQUEST['delete_all'] ) || isset( $_REQUEST['delete_all2'] ) ) |
| 292 | return 'delete_all'; |
| 293 | |
| 294 | return parent::current_action(); |
| 295 | } |