Example of opendir function usage in php, phpopendir

Example of opendir function usage in php, phpopendir

This article analyzes the usage of the opendir function in php. Share it with you for your reference. The details are as follows:

Opendir Syntax: opendir (path, context)

Directory. Function Description: Open the directory handle. If the opendir () function opens a directory handle, the function returns a directory stream. Otherwise, false is returned. let's take a look at opendir to list all file instances in the directory. The Code is as follows:
Copy codeThe Code is as follows: $ dirs = './'; // specifies
If (is_dir ($ dirs ))
{
$ Hanld = opendir ($ dirs );
 
While ($ file = readdir ($ hanld ))! = False)
{
Echo "file name:". $ file. "<br/> ";
}
Closedir ($ hanld );
}
Else
{
Echo 'not a directory ';
}

Output result:
File Name:
File Name: B
File Name: www.jb51.net

Tips and notes:

Note: Starting from PHP 5.0.0, the path parameter supports ftp: // URL wrapper

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

I hope this article will help you with PHP programming.