关于类继承函数重载的有关问题?大神进

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Release: 2016-06-13 10:52:09
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关于类继承函数重载的问题?大神进

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<!--Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->class a{function a(){...}function select(){...}}class b extends a{function b(){...}function select(){//这里能调用a类的select函数,但是我的感觉好像写法不规范,老感觉会死循环..$this->select();//是不是有别的写法//这写法 $a = new a(); $a->select();是不是比较耗内存,重新定义了一个对象)}}
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------解决方案--------------------
只能这样写
parent::select();

$this->select();
这样写就是递归了
除非你确有需要,不然就锁死了
------解决方案--------------------
$this代表的本身,如果想调用你类的话,就用parent::,你这样写是重写了自己.
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