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Source View: customize_validate_{$setting->id}

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Line Code
2296                     $validity = new WP_Error( 'unauthorized', __( 'Unauthorized to modify setting due to capability.' ) );
2297                } else {
2298                     if ( is_null( $unsanitized_value ) ) {
2299                          continue;
2300                     }
2301                     $validity = $setting->validate( $unsanitized_value );
2302                }
2303                if ( ! is_wp_error( $validity ) ) {
2304                     /** This filter is documented in wp-includes/class-wp-customize-setting.php */
2305                     $late_validity = apply_filters( "customize_validate_{$setting->id}", new WP_Error(), $unsanitized_value, $setting );
2306                     if ( is_wp_error( $late_validity ) && $late_validity->has_errors() ) {
2307                          $validity = $late_validity;
2308                     }
2309                }
2310                if ( ! is_wp_error( $validity ) ) {
2311                     $value = $setting->sanitize( $unsanitized_value );
2312                     if ( is_null( $value ) ) {
2313                          $validity = false;
2314                     } elseif ( is_wp_error( $value ) ) {