_php techniques for opendir function usages in PHP

This article analyzes the usage of opendir function in PHP. Share to everyone for your reference. Specifically as follows:

Opendir syntax: Opendir (Path,context)

Directory, feature Description: Open a directory handle, the Opendir () function opens a directory handle, the function returns a directory stream, otherwise returns false. Look at the Opendir listing all the file instances under the directory, the following code:

Copy Code code as follows:

$dirs = './';//Specify Current fooled
if (Is_dir ($dirs))
{
$HANLD = Opendir ($dirs);

while (($file = Readdir ($HANLD))!== false)
{
echo "FileName:". $file. "<br/>";
}
Closedir ($HANLD);
}
Else
{
Echo ' is not a directory ';
}

Output results:
File name: A
File name: b
FileName: www.jb51.net

Tips and Comments:

Note: Starting with PHP 5.0.0, the path parameter supports ftp://URLs wrapper

Note: in PHP 4.3.0, the path parameter can be any URL that supports a directory listing, but only file://URL wrapper support this feature in PHP 4.

I hope this article will help you with your PHP program design.