is_blog_admin()

Determines whether the current request is for a site’s administrative interface.

Description

e.g. /wp-admin/

Does not check if the user is an administrator; use current_user_can() for checking roles and capabilities.

Return

(bool) True if inside WordPress site administration pages.

Source

File: wp-includes/load.php 

function is_blog_admin() {
	if ( isset( $GLOBALS['current_screen'] ) )
		return $GLOBALS['current_screen']->in_admin( 'site' );
	elseif ( defined( 'WP_BLOG_ADMIN' ) )
		return WP_BLOG_ADMIN;

	return false;
}

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Changelog

Changelog
Version Description
3.1.0 Introduced.