} else {
return false;
}
}
}
// create new linked List Object
$newList = new SinglyLinkedList();
//set the Linked list head to a new node
$newList->head = new Node(1);
$newList->head->next = new Node(2);
$newList->head->next->next = new Node(3);
$newList->head->next->next->next = new Node(4);
$newList->head->next->next->next->next = new Node(5);
$newList->head->next->next->next->next->next = new Node(6);
// var_dump($newList);
// //now we can execute our new function to add nodes to a linked list!
// $newList2 = new SinglyLinkedList();
// $newList2->add(1);
// $newList2->add(2);
// $newList2->add(3);
// $newList2->add(4);
// $newList2->add(5);
// var_dump($newList2);
// $newList->remove(1);
// $newList->remove(3);
// $newList->remove(5);
$newList->insert(9, 'New inserted value');
$newList->printValues();
?>
}
public function isEmpty()
{
if ($this->head == null) {
return true;
}
return false;
}
public function removeDups()
{
//what are dups? any duplicates
}
}
$newList = new SinglyLinkedList();
var_dump($newList->isempty());
$newList->head = new Node(1);
$newList->head->next = new Node(2);
$newList->head->next->next = new Node(3);
$newList->head->next->next->next = new Node(4);
$newList->head->next->next->next->next = new Node(5);
var_dump($newList);
$newList2 = new SinglyLinkedList();
$newList2->addHead(1);
$newList2->addHead(2);
$newList2->addHead(3);
$newList2->addHead(4);
$newList2->addHead(5);
$newList2->insert(3, "A");
var_dump($newList2);
var_dump($newList2->find(2));
$newList2->printValues();
if ($current->next == null) {
return false;
} else {
$current = $current->next;
}
}
return $current->value;
//return node if value is found
//return false if not found
}
public function isEmpty()
{
if ($this->count = 0) {
return true;
} else {
return false;
}
//return true if the linked list is empty
//return false if linked list has nodes
}
}
$list = new SinglyLinkedList();
$list->add("John");
$list->add("Todd");
$list->add("Tim");
$list->add("Pat");
$list->add("Joey");
$list->add("Lewis");
$list->add("Michael");
$list->insert("Todd", "Elena");
$list->printList();