s_color( $key, $name, $url, $colors = array(), $icons = array() ) {
	global $_wp_admin_css_colors;

	if ( ! isset( $_wp_admin_css_colors ) ) {
		$_wp_admin_css_colors = array();
	}

	$_wp_admin_css_colors[ $key ] = (object) array(
		'name'        => $name,
		'url'         => $url,
		'colors'      => $colors,
		'icon_colors' => $icons,
	);
}

/**
 * Registers the default admin color schemes.
 *
 * Registers the initial set of eight color schemes in the Profile section
 * of the dashboard which allows for styling the admin menu and toolbar.
 *
 * @see wp_admin_css_color()
 *
 * @since 3.0.0
 */
function register_admin_color_schemes() {
	$suffix  = is_rtl() ? '-rtl' : '';
	$suffix .= SCRIPT_DEBUG ? '' : '.min';

	wp_admin_css_color(
		'modern',
		_x( 'Default', 'admin color scheme' ),
		admin_url( "css/colors/modern/colors$suffix.css" ),
		array( '#1e1e1e', '#3858e9', '#7b90ff' ),
		array(
			'base'    => '#f3f1f1',
			'focus'   => '#fff',
			'current' => '#fff',
		)
	);

	wp_admin_css_color(
		'fresh',
		_x( 'Fresh', 'admin color scheme' ),
		false,
		array( '#1d2327', '#2c3338', '#2271b1', '#72aee6' ),
		array(
			'base'    => '#a7aaad',
			'focus'   => '#72aee6',
			'current' => '#fff',
		)
	);

	wp_admin_css_color(
		'light',
		_x( 'Light', 'admin color scheme' ),
		admin_url( "css/colors/light/colors$suffix.css" ),
		array( '#e5e5e5', '#6a6a6a', '#c64606', '#007cba' ),
		array(
			'base'    => '#999',
			'focus'   => '#ccc',
			'current' => '#ccc',
		)
	);

	wp_admin_css_color(
		'blue',
		_x( 'Blue', 'admin color scheme' ),
		admin_url( "css/colors/blue/colors$suffix.css" ),
		array( '#183751', '#245278', '#437aa8', '#e1a948' ),
		array(
			'base'    => '#e5f8ff',
			'focus'   => '#fff',
			'current' => '#fff',
		)
	);

	wp_admin_css_color(
		'midnight',
		_x( 'Midnight', 'admin color scheme' ),
		admin_url( "css/colors/midnight/colors$suffix.css" ),
		array( '#232a2e', '#333c42', '#69a8bb', '#cf4339' ),
		array(
			'base'    => '#f1f2f3',
			'focus'   => '#fff',
			'current' => '#fff',
		)
	);

	wp_admin_css_color(
		'sunrise',
		_x( 'Sunrise', 'admin color scheme' ),
		admin_url( "css/colors/sunrise/colors$suffix.css" ),
		array( '#6f2724', '#8a312d', '#ad631e', '#ccaf0b' ),
		array(
			'base'    => '#f3f1f1',
			'focus'   => '#fff',
			'current' => '#fff',
		)
	);

	wp_admin_css_color(
		'ectoplasm',
		_x( 'Ectoplasm', 'admin color scheme' ),
		admin_url( "css/colors/ectoplasm/colors$suffix.css" ),
		array( '#392751', '#4a3369', '#646c3e', '#d46f15' ),
		array(
			'base'    => '#ece6f6',
			'focus'   => '#fff',
			'current' => '#fff',
		)
	);

	wp_admin_css_color(
		'ocean',
		_x( 'Ocean', 'admin color scheme' ),
		admin_url( "css/colors/ocean/colors$suffix.css" ),
		array( '#2b3f44', '#39535a', '#567958', '#aa9d88' ),
		array(
			'base'    => '#f2fcff',
			'focus'   => '#fff',
			'current' => '#fff',
		)
	);

	wp_admin_css_color(
		'coffee',
		_x( 'Coffee', 'admin color scheme' ),
		admin_url( "css/colors/coffee/colors$suffix.css" ),
		array( '#382e27', '#5c4c40', '#916745', '#9ea476' ),
		array(
			'base'    => '#f3f2f1',
			'focus'   => '#fff',
			'current' => '#fff',
		)
	);
}

/**
 * Displays the URL of a WordPress admin CSS file.
 *
 * @see WP_Styles::_css_href() and its {@see 'style_loader_src'} filter.
 *
 * @since 2.3.0
 *
 * @param string $file file relative to wp-admin/ without its ".css" extension.
 * @return string
 */
function wp_admin_css_uri( $file = 'wp-admin' ) {
	if ( defined( 'WP_INSTALLING' ) ) {
		$_file = "./$file.css";
	} else {
		$_file = admin_url( "$file.css" );
	}
	$_file = add_query_arg( 'version', get_bloginfo( 'version' ), $_file );

	/**
	 * Filters the URI of a WordPress admin CSS file.
	 *
	 * @since 2.3.0
	 *
	 * @param string $_file Relative path to the file with query arguments attached.
	 * @param string $file  Relative path to the file, minus its ".css" extension.
	 */
	return apply_filters( 'wp_admin_css_uri', $_file, $file );
}

/**
 * Enqueues or directly prints a stylesheet link to the specified CSS file.
 *
 * "Intelligently" decides to enqueue or to print the CSS file. If the
 * {@see 'wp_print_styles'} action has *not* yet been called, the CSS file will be
 * enqueued. If the {@see 'wp_print_styles'} action has been called, the CSS link will
 * be printed. Printing may be forced by passing true as the $force_echo
 * (second) parameter.
 *
 * For backward compatibility with WordPress 2.3 calling method: If the $file
 * (first) parameter does not correspond to a registered CSS file, we assume
 * $file is a file relative to wp-admin/ without its ".css" extension. A
 * stylesheet link to that generated URL is printed.
 *
 * @since 2.3.0
 *
 * @param string $file       Optional. Style handle name or file name (without ".css" extension) relative
 *                           to wp-admin/. Defaults to 'wp-admin'.
 * @param bool   $force_echo Optional. Force the stylesheet link to be printed rather than enqueued.
 */
function wp_admin_css( $file = 'wp-admin', $force_echo = false ) {
	// For backward compatibility.
	$handle = str_starts_with( $file, 'css/' ) ? substr( $file, 4 ) : $file;

	if ( wp_styles()->query( $handle ) ) {
		if ( $force_echo || did_action( 'wp_print_styles' ) ) {
			// We already printed the style queue. Print this one immediately.
			wp_print_styles( $handle );
		} else {
			// Add to style queue.
			wp_enqueue_style( $handle );
		}
		return;
	}

	$stylesheet_link = sprintf(
		"<link rel='stylesheet' href='%s' />\n",
		esc_url( wp_admin_css_uri( $file ) )
	);

	/**
	 * Filters the stylesheet link to the specified CSS file.
	 *
	 * If the site is set to display right-to-left, the RTL stylesheet link
	 * will be used instead.
	 *
	 * @since 2.3.0
	 * @param string $stylesheet_link HTML link element for the stylesheet.
	 * @param string $file            Style handle name or filename (without ".css" extension)
	 *                                relative to wp-admin/. Defaults to 'wp-admin'.
	 */
	echo apply_filters( 'wp_admin_css', $stylesheet_link, $file );

	if ( function_exists( 'is_rtl' ) && is_rtl() ) {
		$rtl_stylesheet_link = sprintf(
			"<link rel='stylesheet' href='%s' />\n",
			esc_url( wp_admin_css_uri( "$file-rtl" ) )
		);

		/** This filter is documented in wp-includes/general-template.php */
		echo apply_filters( 'wp_admin_css', $rtl_stylesheet_link, "$file-rtl" );
	}
}

/**
 * Enqueues the default ThickBox js and css.
 *
 * If any of the settings need to be changed, this can be done with another js
 * file similar to media-upload.js. That file should
 * require array('thickbox') to ensure it is loaded after.
 *
 * @since 2.5.0
 */
function add_thickbox() {
	wp_enqueue_script( 'thickbox' );
	wp_enqueue_style( 'thickbox' );

	if ( is_network_admin() ) {
		add_action( 'admin_head', '_thickbox_path_admin_subfolder' );
	}
}

/**
 * Displays the XHTML generator that is generated on the wp_head hook.
 *
 * See {@see 'wp_head'}.
 *
 * @since 2.5.0
 */
function wp_generator() {
	/**
	 * Filters the output of the XHTML generator tag.
	 *
	 * @since 2.5.0
	 *
	 * @param string $generator_type The XHTML generator.
	 */
	the_generator( apply_filters( 'wp_generator_type', 'xhtml' ) );
}

/**
 * Displays the generator XML or Comment for RSS, ATOM, etc.
 *
 * Returns the correct generator type for the requested output format. Allows
 * for a plugin to filter generators overall the {@see 'the_generator'} filter.
 *
 * @since 2.5.0
 *
 * @param string $type The type of generator to output - (html|xhtml|atom|rss2|rdf|comment|export).
 */
function the_generator( $type ) {
	/**
	 * Filters the output of the XHTML generator tag, for display.
	 *
	 * @since 2.5.0
	 *
	 * @param string $generator_type The generator output.
	 * @param string $type           The type of generator to output. Accepts 'html',
	 *                               'xhtml', 'atom', 'rss2', 'rdf', 'comment', 'export'.
	 */
	echo apply_filters( 'the_generator', get_the_generator( $type ), $type ) . "\n";
}

/**
 * Creates the generator XML or Comment for RSS, ATOM, etc.
 *
 * Returns the correct generator type for the requested output format. Allows
 * for a plugin