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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.

Bemærk: Resultatet af denne funktion er cached. Se clearstatcache() for flere detaljer.

Eksempel 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)

Vink: Fra og med PHP 5.0.0 kan denne funktion også bruges med nogle URL wrappers. Se Appendiks L for en liste over hvilke wrappers understøtter stat() familiens funktionalitet.

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

 
 
 
 
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