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dir (PHP 3, PHP 4, PHP 5) dir -- Directory class Descriptionclass dir { dir ( string directory ) string path resource handle string read ( void ) void rewind ( void ) void close ( void ) }
A pseudo-object oriented mechanism for reading a directory. The
given directory is opened. Two properties
are available once the directory has been opened. The handle
property can be used with other directory functions such as
readdir(), rewinddir() and
closedir(). The path property is set to path
the directory that was opened. Three methods are available:
read, rewind and close.
Examples
Example 1. dir() example
Please note the fashion in which dir()'s
return value is checked in the example below. We are explicitly
testing whether the return value is identical to (equal to and of
the same type as--see
Comparison Operators for more information) FALSE since
otherwise, any directory entry whose name evaluates to FALSE will
stop the loop.
<?php
$d = dir("/etc/php5");
echo "Handle: " . $d->handle . "\n";
echo "Path: " . $d->path . "\n";
while (false !== ($entry = $d->read())) {
echo $entry."\n";
}
$d->close();
?> |
The above example will output
something similar to: Handle: Resource id #2
Path: /etc/php5
.
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apache
cgi
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NotesNote:
The order in which directory entries are returned by the read method is
system-dependent.
Note:
This defines the internal class
Directory, meaning that you will not be
able to define your own classes with that name. For a full list
of predefined classes in PHP, please see Predefined Classes.
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