Acl\Adapter\IniAcl::check PHP Method

    public function check($aro, $aco, $action = null)
    {
        $aclConfig = $this->options;
        if (is_array($aro)) {
            $aro = Hash::get($aro, $this->userPath);
        }
        if (isset($aclConfig[$aro]['deny'])) {
            $userDenies = $this->arrayTrim(explode(",", $aclConfig[$aro]['deny']));
            if (array_search($aco, $userDenies)) {
                return false;
            }
        }
        if (isset($aclConfig[$aro]['allow'])) {
            $userAllows = $this->arrayTrim(explode(",", $aclConfig[$aro]['allow']));
            if (array_search($aco, $userAllows)) {
                return true;
            }
        }
        if (isset($aclConfig[$aro]['groups'])) {
            $userGroups = $this->arrayTrim(explode(",", $aclConfig[$aro]['groups']));
            foreach ($userGroups as $group) {
                if (array_key_exists($group, $aclConfig)) {
                    if (isset($aclConfig[$group]['deny'])) {
                        $groupDenies = $this->arrayTrim(explode(",", $aclConfig[$group]['deny']));
                        if (array_search($aco, $groupDenies)) {
                            return false;
                        }
                    }
                    if (isset($aclConfig[$group]['allow'])) {
                        $groupAllows = $this->arrayTrim(explode(",", $aclConfig[$group]['allow']));
                        if (array_search($aco, $groupAllows)) {
                            return true;
                        }
                    }
                }
            }
        }
        return false;
    }

 /**
  * check should accept a user array.
  *
  * @return void
  */
 public function testCheckArray()
 {
     $iniFile = TEST_APP . 'TestApp/Config/acl.ini.php';
     $Ini = new IniAcl();
     $Ini->config = $Ini->readConfigFile($iniFile);
     $Ini->userPath = 'User.username';
     $user = array('User' => array('username' => 'admin'));
     $this->assertTrue($Ini->check($user, 'posts'));
 }