$this->students[] = $student;
}
}
public function contains(Student $student)
{
foreach ($this->students as $s) {
if ($s->getId() == $student->getId()) {
return true;
}
}
return false;
}
public function getIterator()
{
return new CachingIterator($this->students->getIterator(), true);
}
}
$students = new StudentList();
$students->add(new Student('01234123', 'Joe'));
$students->add(new Student('00000014', 'Bob'));
$students->add(new Student('00000014', 'Foo'));
// The goal is to verify we can access the cached string value even if it was
// generated by a call to __toString(). To check this we need to access the
// iterator's __toString() method.
$it = $students->getIterator();
foreach ($it as $student) {
echo $it->__toString(), "\n";
}
?>
===DONE===
