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 '';
} /**
* Util: Checks whether an incoming block style value is valid.
*
* @since 6.1.0
*
* @param string $style_value A single CSS preset value.
* @return bool
*/