get_language_attributes( string $doctype = 'html' ): string

Source

function get_language_attributes( $doctype = 'html' ) {	$attributes = array();	if ( function_exists( 'is_rtl' ) && is_rtl() ) {	$attributes[] = 'dir="rtl"';	}	$lang = get_bloginfo( 'language' );	if ( $lang ) {	if ( 'text/html' === get_option( 'html_type' ) || 'html' === $doctype ) {	$attributes[] = 'lang="' . esc_attr( $lang ) . '"';	}	if ( 'text/html' !== get_option( 'html_type' ) || 'xhtml' === $doctype ) {	$attributes[] = 'xml:lang="' . esc_attr( $lang ) . '"';	}	}	$output = implode( ' ', $attributes );	/** * Filters the language attributes for display in the 'html' tag. * * @since 2.5.0 * @since 4.3.0 Added the `$doctype` parameter. * * @param string $output A space-separated list of language attributes. * @param string $doctype The type of HTML document (xhtml|html). */	return apply_filters( 'language_attributes', $output, $doctype ); } 

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