true,
				],
			];

			// Add the global allowed attributes to each html element.
			$input_tags = array_map( '_wp_add_global_attributes', $input_tags );
		}

		return array_merge_recursive( $allowed_post_tags, $input_tags );
	}

	/**
	 * Gets an array of enabled features.
	 *
	 * @return string[] The array of enabled features.
	 */
	public static function retrieve_enabled_features() {
		/**
		 * The feature flag integration.
		 *
		 * @var Feature_Flag_Integration $feature_flag_integration;
		 */
		$feature_flag_integration = YoastSEO()->classes->get( Feature_Flag_Integration::class );
		return $feature_flag_integration->get_enabled_features();
	}

	/* ********************* DEPRECATED METHODS ********************* */

	/**
	 * Translates a decimal analysis score into a textual one.
	 *
	 * @since 1.8.0
	 * @deprecated 19.5
	 * @codeCoverageIgnore
	 *
	 * @param int  $val       The decimal score to translate.
	 * @param bool $css_value Whether to return the i18n translated score or the CSS class value.
	 *
	 * @return string
	 */
	public static function translate_score( $val, $css_value = true ) {
		_deprecated_function( __METHOD__, 'Yoast SEO 19.5', 'YoastSEO()->helpers->score_icon' );

		$seo_rank = WPSEO_Rank::from_numeric_score( $val );

		if ( $css_value ) {
			return $seo_rank->get_css_class();
		}

		return $seo_rank->get_label();
	}
}