33 lines
598 B
PHP
33 lines
598 B
PHP
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<?php
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class NodeIterator {
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/*---------------------------
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The NodeIterator can be used to iterate linked lists.
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Sample:
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$iter = new NodeIterator(array());
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while($iter->hasNext()) {
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$curr = $iter->getNext();
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// ...
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}
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---------------------------*/
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private $node;
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function NodeIterator($node) {
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$this->node = $node;
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}
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function hasNext() {
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if($this->node == null) {
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return false;
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}
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return true;
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}
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function getNext() {
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$n = $this->node;
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$this->node = $this->node->getChild();
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return $n->data;
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}
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}
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?>
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