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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 |
|---|---|
| 345 | <?php |
| 346 | /** |
| 347 | * Fires immediately following the closing "actions" div in the tablenav for the |
| 348 | * MS sites list table. |
| 349 | * |
| 350 | * @since 5.3.0 |
| 351 | * |
| 352 | * @param string $which The location of the extra table nav markup: 'top' or 'bottom'. |
| 353 | */ |
| 354 | do_action( 'manage_sites_extra_tablenav', $which ); |
| 355 | } |
| 356 | |
| 357 | /** |
| 358 | * @return array |
| 359 | */ |
| 360 | public function get_columns() { |
| 361 | $sites_columns = array( |
| 362 | 'cb' => '<input type="checkbox" />', |
| 363 | 'blogname' => __( 'URL' ), |