src/Manager.php
public function revokeRole($role)
    {
        if ($this->hasRole($role)) {
            unset($this->roles[$role]);
            return true;
        } else {
            return false;
        }
    }
public function revokeRole($role)
    {
        if ($this->hasRole($role)) {
            unset($this->roles[$role]);
            return true;
        } else {
            return false;
        }
    }
public function revokeRole ( $ role ) { if ( $ this -> hasRole ( $ role ) ) { unset ( $ this -> roles [ $ role ] ) ; return true ; } else { return false ; } }
Revokes a role from the RBAC system.

@param string $role
@return bool
Revokes a role from the RBAC system .