Determines whether user is a site admin.
Parameters
$user_id
int|false
Optional
The ID of a user. Defaults to false, to check the current user.
Default: false
Return
bool Whether the user is a site admin.
Source
File: wp-includes/capabilities.php.
View all references
function is_super_admin( $user_id = false ) {
if ( ! $user_id ) {
$user = wp_get_current_user();
} else {
$user = get_userdata( $user_id );
}
if ( ! $user || ! $user->exists() ) {
return false;
}
if ( is_multisite() ) {
$super_admins = get_super_admins();
if ( is_array( $super_admins ) && in_array( $user->user_login, $super_admins, true ) ) {
return true;
}
} else {
if ( $user->has_cap( "delete_users" ) ) {
return true;
}
}
return false;
}