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self_admin_url() WP 3.1.0

Retrieves the URL to the admin area for either the current site or the network depending on context.

Hooks in function

String. Admin URL link with optional path appended.


self_admin_url( $path, $scheme );
Path relative to the admin URL.
Default: ''
The scheme to use. 'http' or 'https' can be passed to force those schemes.
Default: 'admin', which obeys force_ssl_admin() and is_ssl()

Code of self admin url: wp-includes/link-template.php WP 5.2.2

function self_admin_url( $path = '', $scheme = 'admin' ) {
	if ( is_network_admin() ) {
		$url = network_admin_url( $path, $scheme );
	} elseif ( is_user_admin() ) {
		$url = user_admin_url( $path, $scheme );
	} else {
		$url = admin_url( $path, $scheme );

	 * Filters the admin URL for the current site or network depending on context.
	 * @since 4.9.0
	 * @param string $url    The complete URL including scheme and path.
	 * @param string $path   Path relative to the URL. Blank string if no path is specified.
	 * @param string $scheme The scheme to use.
	return apply_filters( 'self_admin_url', $url, $path, $scheme );