Util: Generates a CSS var string, e.g., var(–wp–preset–color–background) from a preset string such as var:preset|space|50.

$style_value string Required

A single css preset value.

$css_vars string[] Required

An associate array of css var patterns used to generate the var string.

string The css var, or an empty string if no match for slug found.

File: wp-includes/style-engine/class-wp-style-engine.php. View all references

protected static function get_css_var_value( $style_value, $css_vars ) {
	foreach ( $css_vars as  $property_key => $css_var_pattern ) {
		$slug = static::get_slug_from_preset_value( $style_value, $property_key );
		if ( static::is_valid_style_value( $slug ) ) {
			$var = strtr(
				$css_var_pattern,
				array( '$slug' => $slug )
			);
			return "var($var)";
		}
	}
	return '';
}