32 lines
546 B
PHP
32 lines
546 B
PHP
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<?php
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abstract class Node {
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/*---------------------------
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This class provides basic functionality common to nodes.
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Every node has an id and a parent.
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---------------------------*/
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protected $id;
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protected $parent;
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function Node() {
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// dummy constructor
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}
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final function getID() {
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return $this->id;
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}
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final function getParent() {
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return $this->parent;
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}
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final function setID($id) {
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$this->id = $id;
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}
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final function setParent($p) {
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$this->parent = $p;
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}
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}
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?>
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