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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 |
|---|---|
| 179 | wp_redirect( admin_url( 'import.php?invalid=' . $importer ) ); |
| 180 | exit; |
| 181 | } |
| 182 | |
| 183 | if ( ! isset($wp_importers[$importer]) || ! is_callable($wp_importers[$importer][2]) ) { |
| 184 | wp_redirect( admin_url( 'import.php?invalid=' . $importer ) ); |
| 185 | exit; |
| 186 | } |
| 187 | |
| 188 | do_action( 'load-importer-' . $importer ); |
| 189 | |
| 190 | $parent_file = 'tools.php'; |
| 191 | $submenu_file = 'import.php'; |
| 192 | $title = __('Import'); |
| 193 | |
| 194 | if (! isset($_GET['noheader'])) |
| 195 | require_once(ABSPATH . 'wp-admin/admin-header.php'); |
| 196 | |
| 197 | require_once(ABSPATH . 'wp-admin/includes/upgrade.php'); |