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opendir

(PHP 3, PHP 4, PHP 5)

opendir -- Open directory handle

Description

resource opendir ( string path [, resource context] )

Opens up a directory handle to be used in subsequent closedir(), readdir(), and rewinddir() calls.

Parameters

path: The directory path that is to be opened
context: For a description of the context parameter, refer to the streams section of the manual.

Return Values

Returns a directory handle resource on success, or FALSE on failure.

If path is not a valid directory or the directory can not be opened due to permission restrictions or filesystem errors, opendir() returns FALSE and generates a PHP error of level E_WARNING. You can suppress the error output of opendir() by prepending '@' to the front of the function name.

ChangeLog

Version	Description
5.0.0	`path` supports the `ftp://` URL wrapper.
4.3.0	`path` can also be any URL which supports directory listing, however only the `file://` URL wrapper supports this in PHP 4

Examples

Example 1. opendir() example
<?php $dir = "/etc/php5/"; // Open a known directory, and proceed to read its contents if (is_dir($dir)) { if ($dh = opendir($dir)) { while (($file = readdir($dh)) !== false) { echo "filename: $file : filetype: " . filetype($dir . $file) . "\n"; } closedir($dh); } } ?>
The above example will output something similar to:
filename: . : filetype: dir filename: .. : filetype: dir filename: apache : filetype: dir filename: cgi : filetype: dir filename: cli : filetype: dir

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