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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 |
|---|---|
| 308 | * Whether to filter imported data through kses on import. |
| 309 | * |
| 310 | * Multisite uses this hook to filter all data through kses by default, |
| 311 | * as a super administrator may be assisting an untrusted user. |
| 312 | * |
| 313 | * @since 3.1.0 |
| 314 | * |
| 315 | * @param bool false Whether to force data to be filtered through kses. Default false. |
| 316 | */ |
| 317 | if ( apply_filters( 'force_filtered_html_on_import', false ) ) { |
| 318 | kses_init_filters(); // Always filter imported data with kses on multisite. |
| 319 | } |
| 320 | |
| 321 | call_user_func($wp_importers[$importer][2]); |
| 322 | |
| 323 | include(ABSPATH . 'wp-admin/admin-footer.php'); |
| 324 | |
| 325 | // Make sure rules are flushed |
| 326 | flush_rewrite_rules(false); |