twentyeleven_theme_options_validate( array $input ): array<string,

390function twentyeleven_theme_options_validate( $input ) {391	$defaults = twentyeleven_get_default_theme_options();392	$output   = $defaults;393 394	// Color scheme must be in our array of color scheme options.395	if ( isset( $input['color_scheme'] ) && array_key_exists( $input['color_scheme'], twentyeleven_color_schemes() ) ) {396		$output['color_scheme'] = $input['color_scheme'];397	}398 399	// Our defaults for the link color may have changed, based on the color scheme.400	$defaults['link_color'] = twentyeleven_get_default_link_color( $output['color_scheme'] );401	$output['link_color']   = $defaults['link_color'];402 403	// Link color must be 3 or 6 hexadecimal characters.404	if ( isset( $input['link_color'] ) && preg_match( '/^#?([a-f0-9]{3}){1,2}$/i', $input['link_color'] ) ) {405		$output['link_color'] = '#' . strtolower( ltrim( $input['link_color'], '#' ) );406	}407 408	// Theme layout must be in our array of theme layout options.409	if ( isset( $input['theme_layout'] ) && array_key_exists( $input['theme_layout'], twentyeleven_layouts() ) ) {410		$output['theme_layout'] = $input['theme_layout'];411	}412 413	/**414	 * Filters the Twenty Eleven sanitized form input array.415	 *416	 * @since Twenty Eleven 1.0417	 *418	 * @param array<string, string> $output   An array of sanitized form output.419	 * @param array                 $input    An array of un-sanitized form input.420	 * @param array<string, string> $defaults An array of default theme options.421	 */422	return apply_filters( 'twentyeleven_theme_options_validate', $output, $input, $defaults );423}