PHP implementation of linked list_PHP tutorial
I have been looking at data structures for a long time but have never used them. I saw the data structure of PHP on the Internet, studied it and shared it with everyone.
Short and undivided
<span>class</span><span> Hero { </span><span>public</span> <span>$no</span>;<span>//</span><span>排名</span> <span>public</span> <span>$name</span>;<span>//</span><span>名字</span> <span>public</span> <span>$next</span>=<span>null</span>;<span>//</span><span>$next是一个引用,指向另外一个Hero的对象实例</span> <span>public</span> <span>function</span> __construct(<span>$no</span>='',<span>$name</span>=''<span>) { </span><span>$this</span>->no=<span>$no</span><span>; </span><span>$this</span>->name=<span>$name</span><span>; } </span><span>static</span> <span>public</span> <span>function</span> showList(<span>$head</span><span>) { </span><span>$cur</span> = <span>$head</span><span>; </span><span>while</span>(<span>$cur</span>-><span>next</span>!=<span>null</span><span>) { </span><span>echo</span> "排名:".<span>$cur</span>-><span>next</span>->no.",名字:".<span>$cur</span>-><span>next</span>->name."<br>"<span>; </span><span>$cur</span> = <span>$cur</span>-><span>next</span><span>; } }</span>
<span> <span>//普通插入</span> </span><span>static</span> <span>public</span> <span>function</span> addHero(<span>$head</span>,<span>$hero</span><span>) { </span><span>$cur</span> = <span>$head</span><span>; </span><span>while</span>(<span>$cur</span>-><span>next</span>!=<span>null</span><span>) { </span><span>$cur</span> = <span>$cur</span>-><span>next</span><span>; } </span><span>$cur</span>-><span>next</span>=<span>$hero</span><span>; } <span>//有序的链表的插入</span> </span><span>static</span> <span>public</span> <span>function</span> addHeroSorted(<span>$head</span>,<span>$hero</span><span>) { </span><span>$cur</span> = <span>$head</span><span>; </span><span>$addNo</span> = <span>$hero</span>-><span>no; </span><span>while</span>(<span>$cur</span>-><span>next</span>->no <= <span>$addNo</span><span>) { </span><span>$cur</span> = <span>$cur</span>-><span>next</span><span>; } </span><span>/*</span><span>$tep = new Hero(); $tep = $cur->next; $cur->next = $hero; $hero->next =$tep;</span><span>*/</span> <span>$hero</span>-><span>next</span>=<span>$cur</span>-><span>next</span><span>; </span><span>$cur</span>-><span>next</span>=<span>$hero</span><span>; } </span><span>static</span> <span>public</span> <span>function</span> deleteHero(<span>$head</span>,<span>$no</span><span>) { </span><span>$cur</span> = <span>$head</span><span>; </span><span>while</span>(<span>$cur</span>-><span>next</span>->no != <span>$no</span> && <span>$cur</span>-><span>next</span>!= <span>null</span><span>) { </span><span>$cur</span> = <span>$cur</span>-><span>next</span><span>; } </span><span>if</span>(<span>$cur</span>-><span>next</span>->no != <span>null</span><span>) { </span><span>$cur</span>-><span>next</span> = <span>$cur</span>-><span>next</span>-><span>next</span><span>; </span><span>echo</span> "删除成功<br>"<span>; } </span><span>else</span><span> { </span><span>echo</span> "没有找到<br>"<span>; } } </span><span>static</span> <span>public</span> <span>function</span> updateHero(<span>$head</span>,<span>$hero</span><span>) { </span><span>$cur</span> = <span>$head</span><span>; </span><span>while</span>(<span>$cur</span>-><span>next</span>->no != <span>$hero</span>->no && <span>$cur</span>-><span>next</span>!= <span>null</span><span>) { </span><span>$cur</span> = <span>$cur</span>-><span>next</span><span>; } </span><span>if</span>(<span>$cur</span>-><span>next</span>->no != <span>null</span><span>) { </span><span>$hero</span>-><span>next</span> = <span>$cur</span>-><span>next</span>-><span>next</span><span>; </span><span>$cur</span>-><span>next</span> = <span>$hero</span><span>; </span><span>echo</span> "更改成功<br>"<span>; } </span><span>else</span><span> { </span><span>echo</span> "没有找到<br>"<span>; } } } </span><span>//</span><span>创建head头</span> <span>$head</span> = <span>new</span><span> Hero(); </span><span>//</span><span>第一个</span> <span>$hero</span> = <span>new</span> Hero(1,'111'<span>); </span><span>//</span><span>连接</span> <span>$head</span>-><span>next</span> = <span>$hero</span><span>; </span><span>//</span><span>第二个</span> <span>$hero2</span> = <span>new</span> Hero(3,'333'<span>); </span><span>//</span><span>连接</span> Hero::addHero(<span>$head</span>,<span>$hero2</span><span>); </span><span>$hero3</span> = <span>new</span> Hero(2,'222'<span>); Hero</span>::addHeroSorted(<span>$head</span>,<span>$hero3</span><span>); </span><span>//</span><span>显示</span> Hero::showlist(<span>$head</span><span>); </span><span>//</span><span>删除</span> Hero::deleteHero(<span>$head</span>,4<span>); </span><span>//</span><span>显示</span> Hero::showlist(<span>$head</span><span>); </span><span>//</span><span>更改</span> <span>$hero4</span>=<span>new</span> Hero(2,'xxx'<span>); Hero</span>::updateHero(<span>$head</span>,<span>$hero4</span><span>); </span><span>//</span><span>显示</span> Hero::showlist(<span>$head</span>);
I am the dividing line between the king of heaven and the tiger on earth. Orderly insertion requires traversing the linked list, so I won’t introduce some knowledge about linked lists. Here I mainly share the code.
Please indicate the source for reprinting: http://www.cnblogs.com/yydcdut http://www.bkjia.com/PHPjc/781162.html

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