A simple usage description of the Opendir function in PHP?

The Opendir () function opens a directory handle. Success returns the directory handle resource. The failure returns FALSE. If the path is not a legal directory, or if the directory cannot be opened due to a license restriction or file system error, an E_warning level error is thrown. You can hide the error output of Opendir () by adding ' @ ' before the function name

Opendir () function syntax

Opendir (Path,context);

Parameters	Description
Path	Necessary. Specifies the directory path to open.
Context	Optional. The environment that specifies the directory handle. Context is a set of options that modify the behavior of a directory stream.

Opendir () Function instance, the code is as follows:

$dirs = './';//Specifies that the current is being fooled if (Is_dir ($dirs)) {  $hanld = Opendir ($dirs);   while (($file = Readdir ($HANLD))!== false)  {    echo "filename:". $file. "<br/>";  }  Closedir ($HANLD); } else {  echo ' is not a directory ';}

Output Result:
File name: A
File name: b
File name: www.php.cn