变量|静态
下面是一个全局静态变量类,类里面的函数都是静态函数,
注意里面的符号"&",他用来进行地址引用的.如果对引用方式不熟悉,请先参考php手册中的相关的章节.
另外本例是仿照php的pear类库中,pear.php中的静态全局error的方法实现的.
class StatVar{
function &setInit(){
static $static = '';
return $static;
}
function set($key,$value){
$var = &StatVar::setInit();
$var[$key] = $value;
}
function &get($key){
$var = &StatVar::setInit();
return $var[$key];
}
}
//例子如下:
StatVar::set('aa', 'bb');
echo StatVar::get('aa');
?>

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