is_dir
The change doesn't appear to be documented, so I thought I would mention it. In php5, as opposed to php4, you can no longer rely on is_executable to check the executable bit on a directory in 'nix. You can still use the first note's method to check if a directory is traversable:
@file_exists("adirectory/.");
is_executable
(PHP 4, PHP 5)
is_executable — Tells whether the filename is executable
Descrierea
bool is_executable
( string $filename
)
Tells whether the filename is executable.
Parametri
- filename
-
Path to the file.
Valorile întroarse
Returns TRUE if the filename exists and is executable, or FALSE on error.
Istoria schimbărilor
| Versiunea | Descriere |
|---|---|
| 5.0.0 | is_executable() became available with Windows |
Exemple
Example #1 is_executable() example
<?php
$file = '/home/vincent/somefile.sh';
if (is_executable($file)) {
echo $file.' is executable';
} else {
echo $file.' is not executable';
}
?>
Note
Notă: Rezultatele acestei funcţii sunt stocate în cache. Accesaţi clearstatcache() pentru mai multe detalii.
Sfat
Începând cu PHP 5.0.0 această funcţie poate fi utilizată de asemenea cu unele învelişuri URL. Referiţi-vă la List of Supported Protocols/Wrappers pentru lista învelişurilor care susţin familia de funcţionalitate stat().
add a note
User Contributed Notesis_executable
Buuyo
06-Aug-2004 03:51
06-Aug-2004 03:51
david at littlesystems dot com dot au
01-Jun-2002 11:38
01-Jun-2002 11:38
to test whether the directory /home/david is executable (regardless of whether it is readable or writeable), issue the command:
$my_isWriteable = @file_exists("/home/david/.")
the @ gets rid of the warning when this command fails when the directory is not executable.