_wp_admin_html_begin()

Source

File: wp-admin/includes/template.php 

function _wp_admin_html_begin() {
	global $is_IE;

	$admin_html_class = ( is_admin_bar_showing() ) ? 'wp-toolbar' : '';

	if ( $is_IE ) {
		header( 'X-UA-Compatible: IE=edge' );
	}

	?>
<!DOCTYPE html>
<html class="<?php echo $admin_html_class; ?>"
	<?php
	/**
	 * Fires inside the HTML tag in the admin header.
	 *
	 * @since 2.2.0
	 */
	do_action( 'admin_xml_ns' );

	language_attributes();
	?>
>
<head>
<meta http-equiv="Content-Type" content="<?php bloginfo( 'html_type' ); ?>; charset=<?php echo get_option( 'blog_charset' ); ?>" />
	<?php
}

Uses

Uses Description
wp-admin/includes/template.php: admin_xml_ns

Fires inside the HTML tag in the admin header.
wp-includes/general-template.php: language_attributes()

Displays the language attributes for the ‘html’ tag.
wp-includes/general-template.php: bloginfo()

Displays information about the current site.
wp-includes/admin-bar.php: is_admin_bar_showing()

Determines whether the admin bar should be showing.
wp-includes/plugin.php: do_action()

Calls the callback functions that have been added to an action hook.
wp-includes/option.php: get_option()

Retrieves an option value based on an option name.

Used By

Used By Description
wp-admin/includes/template.php: iframe_header()

Generic Iframe header for use with Thickbox
wp-admin/includes/media.php: wp_iframe()

Outputs the iframe to display the media upload page.

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Licensed under the GNU GPLv2+ License.
https://developer.wordpress.org/reference/functions/_wp_admin_html_begin