WordPress at Your Fingertips
function is not described

wpsupercache_site_admin() WPSCache 1.0

No Hooks.

Return

null. Nothing.

Usage

wpsupercache_site_admin();

Code of wpsupercache_site_admin() WPSCache 1.7.4

<?php
function wpsupercache_site_admin() {
	global $wp_version;

	if ( version_compare( $wp_version, '4.8', '>=' ) ) {
		return current_user_can( 'setup_network' );
	}

	return is_super_admin();
}