'; /** * Returns a base64 encoded version of the SVG. * * @since 1.28.0 * * @param string $source SVG icon source. * @return string Base64 representation of SVG */ public static function to_base64( $source = self::XML ) { return base64_encode( $source ); } /** * Returns SVG XML with fill color replaced. * * @since 1.28.0 * * @param string $color Any valid color for css, either word or hex code. * @return string SVG XML with the fill color replaced */ public static function with_fill( $color ) { return str_replace( 'white', esc_attr( $color ), self::XML ); } }