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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 |
|---|---|
| 327 | * - `load-importer-wpcat2tag` |
| 328 | * - `load-importer-livejournal` |
| 329 | * - `load-importer-mt` |
| 330 | * - `load-importer-rss` |
| 331 | * - `load-importer-tumblr` |
| 332 | * - `load-importer-wordpress` |
| 333 | * |
| 334 | * @since 3.5.0 |
| 335 | */ |
| 336 | do_action( "load-importer-{$importer}" ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores |
| 337 | |
| 338 | // Used in the HTML title tag. |
| 339 | $title = __( 'Import' ); |
| 340 | $parent_file = 'tools.php'; |
| 341 | $submenu_file = 'import.php'; |
| 342 | |
| 343 | if ( ! isset( $_GET['noheader'] ) ) { |
| 344 | require_once ABSPATH . 'wp-admin/admin-header.php'; |
| 345 | } |