Question

get_language_attributes( string $doctype = 'html' )

Gets the language attributes for the html tag.

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description

Builds up a set of html attributes containing the text direction and language information for the page.

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参数

$doctype

(string) (Optional) The type of html document. Accepts 'xhtml' or 'html'.

Default value: 'html'

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源代码

File: wp-includes/general-template.php

function get_language_attributes( $doctype = 'html' ) {
	$attributes = array();

	if ( function_exists( 'is_rtl' ) && is_rtl() )
		$attributes[] = 'dir="rtl"';

	if ( $lang = get_bloginfo('language') ) {
		if ( get_option('html_type') == 'text/html' || $doctype == 'html' )
			$attributes[] = "lang=\"$lang\"";

		if ( get_option('html_type') != 'text/html' || $doctype == 'xhtml' )
			$attributes[] = "xml:lang=\"$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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更新日志

Version	description
4.3.0	Introduced.

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相关函数

Uses

• wp-includes/general-template.php: language_attributes
• wp-includes/general-template.php: get_bloginfo()
• wp-includes/l10n.php: is_rtl()
• wp-includes/plugin.php: apply_filters()
• wp-includes/option.php: get_option()

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Used By

• wp-includes/general-template.php: language_attributes()

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User Contributed Notes