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php代码php单链表实现代码分享

时间:2021-07-01 10:21:17 帮助过:5人阅读

本文实例为大家分享了php单链表的具体代码,供大家参考,具体内容如下

<?php
/**
 * 单链表
 */ 
class Demo
{
  private $id;
  public $name;
  public $next;

  public function __construct ($id = '', $name = '')
  {
    $this->id = $id;
    $this->name = $name;
  }

  static public function show ($head)
  {
    $cur = $head;
    while ($cur->next) {
      echo $cur->next->id,'###',$cur->next->name,'
'; $cur = $cur->next; } echo '
'; } //尾插法 static public function push ($head, $node) { $cur = $head; while (NULL != $cur->next) { $cur = $cur->next; } $cur->next = $node; return $head; } static public function insert($head, $node) { $cur = $head; while (NULL != $cur->next) { if ($cur->next->id > $node->id) { break; } $cur = $cur->next; } $node->next = $cur->next; $cur->next = $node; return $head; } static public function edit($head, $node) { $cur = $head; while (NULL != $cur->next) { if ($cur->next->id == $node->id) { break; } $cur = $cur->next; } $cur->next->name = $node->name; return $head; } static public function pop ($head, $node) { $cur = $head; while (NULL != $cur->next) { if ($cur->next == $node) { break; } $cur = $cur->next; } $cur->next = $node->next; return $head; } } $team = new Demo(); $node1 = new Demo(1, '唐三藏'); Demo::push($team, $node1); $node1->name = '唐僧'; Demo::show($team); // Demo::show($team); $node2 = new Demo(2, '孙悟空'); Demo::insert($team, $node2); // Demo::show($team); $node3 = new Demo(5, '白龙马'); Demo::push($team, $node3); // Demo::show($team); $node4 = new Demo(3, '猪八戒'); Demo::insert($team, $node4); // Demo::show($team); $node5 = new Demo(4, '沙和尚'); Demo::insert($team, $node5); // Demo::show($team); $node4->name = '猪悟能';//php对象传引用,所以Demo::edit没有必要 // unset($node4); // $node4 = new Demo(3, '猪悟能'); // Demo::edit($team, $node4); Demo::pop($team, $node1); Demo::show($team);

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