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 PHP manuál : function.is-dir.html

is_dir
PHP Manual
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is_dir

(PHP 3, PHP 4, PHP 5)

is_dir -- Tells whether the filename is a directory

Description

bool is_dir ( string filename )

Returns TRUE if the filename exists and is a directory. If filename is a relative filename, it will be checked relative to the current working directory.

Note: The results of this function are cached. See clearstatcache() for more details.

Example 1. is_dir() example

<?
var_dump(is_dir('a_file.txt')) . "\n";
var_dump(is_dir('bogus_dir/abc')) . "\n";

var_dump(is_dir('..')); //one dir up
?>

The above example will output:

bool(false)
bool(false)
bool(true)

Tip: As of PHP 5.0.0 this function can also be used with some URL wrappers. Refer to Appendix L for a listing of which wrappers support stat() family of functionality.

See also chdir(), dir, opendir(), is_file() and is_link().

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