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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 |
|---|---|
| 229 | ); |
| 230 | |
| 231 | /** |
| 232 | * Filters the allowed options list. |
| 233 | * |
| 234 | * @since 5.5.0 |
| 235 | * |
| 236 | * @param array $allowed_options The allowed options list. |
| 237 | */ |
| 238 | $allowed_options = apply_filters( 'allowed_options', $allowed_options ); |
| 239 | |
| 240 | if ( 'update' === $action ) { // We are saving settings sent from a settings page. |
| 241 | if ( 'options' === $option_page && ! isset( $_POST['option_page'] ) ) { // This is for back compat and will eventually be removed. |
| 242 | $unregistered = true; |
| 243 | check_admin_referer( 'update-options' ); |
| 244 | } else { |
| 245 | $unregistered = false; |
| 246 | check_admin_referer( $option_page . '-options' ); |
| 247 | } |