PHP Directory traversal function Opendir Usage example, phpopendir_php tutorial

PHP Directory traversal function Opendir usage instance, Phpopendir

The example in this paper describes the PHP directory traversal function opendir usage. Share to everyone for your reference. The specific analysis is as follows:

The Opendir () function is to open a directory handle, and if the function runs successfully, it returns a set of directory streams (a set of directory strings), and if failure returns an error [ERROR], you can hide the error by adding "@" to the front of the function.

Syntax syntax: opendir (directory,context) parameter

Parameter: Description

Description: Directory required. Specifies the directory to stream

necessary parameters, specifying the directory object, optional parameters, specifying the context of the directory object to be processed, which includes a set of options that can change the way the text flow is displayed, with the following example code:
Copy the Code code as follows: <?php
$dir = "./";

Open a known directory, and proceed to read its contents
if (Is_dir ($dir))
{
if ($dh = Opendir ($dir)) {
while (($file = Readdir ($DH))!== false) {
echo "FileName: $file: filetype:". FileType ($dir. $file). "N". "
";
}
Closedir ($DH);
}
}
?>

I hope this article is helpful to everyone's PHP programming.

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