php dir 函数实例教程
伪面向对象机制的阅读dir。给定的dir是开。两个属性可一旦dir已经拉开。在处理财产可以用来与其他dir功能,如readdir ( ) , rewinddir ( )和closedir ( )
dir-返回的一个实例Directory类 ,
描述
dir
dir(
字符串$路径;
资源$处理;
字符串改为(无效)
无效倒带(无效)
无效的密切(无效)
)
伪面向对象机制的阅读dir。给定的dir是开。两个属性可一旦dir已经拉开。在处理财产可以用来与其他dir功能,如readdir ( ) , rewinddir ( )和closedir ( ) 。路径属性设置为路径的dir开幕。有三种方法:阅读,倒带和密切。
实例
例如# dir( )的例子
请注意时尚,其中dir: :阅读( )的返回值是检查在下面的例子。我们是否明确测试的返回值是相同的(相当于和同一类型-见比较运算符的更多信息)虚假的,因为否则的话,任何dir项的名字计算为false将停止循环。
$d = dir("/etc/php5");
echo "Handle: " . $d->handle . "n";
echo "Path: " . $d->path . "n";
while (false !== ($entry = $d->read())) {
echo $entry."n";
}
$d->close();
?>

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