WP_Theme_JSON::compute_preset_vars() WordPress Method

	protected static function compute_preset_vars( $settings, $origins ) {
		$declarations = array();
		foreach ( static::PRESETS_METADATA as $preset_metadata ) {
			$values_by_slug = static::get_settings_values_by_slug( $settings, $preset_metadata, $origins );
			foreach ( $values_by_slug as $slug => $value ) {
				$declarations[] = array(
					'name'  => static::replace_slug_in_string( $preset_metadata['css_vars'], $slug ),
					'value' => $value,
				);
			}
		}

		return $declarations;
	}