RSSphp动态定义类属性
Dec 31
有时候有这样的需求，就是一个类的属性是不确定的，需要动态地定义。想想在用过的语言中，似乎没有这样的特性，它们都是在类定义的时候确定属性的。也不知道php是否能够动态地定义属性。上网找了半天也没找到相关的描述。于是想法搁置了一段时间。
后来想想，在php的有些框架中提供了ActiveRecord模式，那么应该有类似的实现方法的吧，刚好发现FleaPHP框架新实现了一简单的ActiveRecord模式，看到它的例子中确实动态地定义了类属性，想看看实现方法，但郁闷的是，用svn check out的时候总是提示连接出错，没办法拿到最新的版本。于是只好到开发论坛询问了相关内容。回答说，在类构造函数中直接赋值。
于是自己尝试了一下，发现确实如此。测试代码如下：
[coolcode lang="php" linenum="false"]class Test
{
function Test($memberName1,$memberName2)
{
$this->$memberName1 = ‘some string’;
$this->$memberName2 = 1;
}
}
$test = new Test(‘title’,'body’);
var_dump($test);[/coolcode]
输出结果如下：
object(test)(2) { ["title"]=> string(11) “some string” ["body"]=> int(1) }
当然，这也要归功于php的“变量的变量”戏法:)
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