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php dir 函数实例教程

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Jun 13, 2016 am 11:17 AM

dirphp。functionCanExampleobjectAttributesTutorialmechanismofreadFor

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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