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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 |
|---|---|
| 216 | ); |
| 217 | |
| 218 | /** |
| 219 | * Filters the allowed options list. |
| 220 | * |
| 221 | * @since 5.5.0 |
| 222 | * |
| 223 | * @param array $allowed_options The allowed options list. |
| 224 | */ |
| 225 | $allowed_options = apply_filters( 'allowed_options', $allowed_options ); |
| 226 | |
| 227 | if ( 'update' === $action ) { // We are saving settings sent from a settings page. |
| 228 | if ( 'options' === $option_page && ! isset( $_POST['option_page'] ) ) { // This is for back compat and will eventually be removed. |
| 229 | $unregistered = true; |
| 230 | check_admin_referer( 'update-options' ); |
| 231 | } else { |
| 232 | $unregistered = false; |
| 233 | check_admin_referer( $option_page . '-options' ); |
| 234 | } |