Rechercher une fonction PHP

opendir

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(PHP 4, PHP 5, PHP 7)

opendir — Open directory handle

Description

opendir ( string $path [, resource $context ] ) : resource

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

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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.

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Return Values

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

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Errors/Exceptions

Upon failure, an E_WARNING is emitted.

This may happen if path is not a valid directory, the directory can not be opened due to permission restrictions, or due to filesystem errors.

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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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See Also

  • is_dir() - Tells whether the filename is a directory
  • readdir() - Read entry from directory handle
  • dir() - Return an instance of the Directory class

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Document created the 30/01/2003, last modified the 26/10/2018
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References

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