public function waitOnEmployees()
    {
        foreach ($this->employees as $employee) {
            if ($employee->isBusy()) {
                $employee->getWorkState(true);
            }
        }
    }
public function waitOnEmployees()
    {
        foreach ($this->employees as $employee) {
            if ($employee->isBusy()) {
                $employee->getWorkState(true);
            }
        }
    }
public function waitOnEmployees ( ) { foreach ( $ this -> employees as $ employee ) { if ( $ employee -> isBusy ( ) ) { $ employee -> getWorkState ( true ) ; } } }
Wait for all busy employees to finish.
Wait for all busy employees to finish .