pathinfo
(PHP 4 >= 4.0.3, PHP 5, PHP 7)
pathinfo — Returns information about a file path
Descrierea
pathinfo
( string $path
, int $flags
= PATHINFO_ALL
) : array|string
Notă:
For information on retrieving the current path info, read
the section on
predefined reserved variables.
Precauţie
pathinfo() is locale aware, so for it to parse a path
containing multibyte characters correctly, the matching locale must be set using
the setlocale() function.
Parametri
-
path
-
The path to be parsed.
-
flags
-
If present, specifies a specific element to be returned; one of
PATHINFO_DIRNAME
,
PATHINFO_BASENAME
,
PATHINFO_EXTENSION
or
PATHINFO_FILENAME
.
If flags
is not specified, returns all
available elements.
Valorile întoarse
If the flags
parameter is not passed, an
associative array containing the following elements is
returned:
dirname
, basename
,
extension
(if any), and filename
.
Notă:
If the path
has more than one extension,
PATHINFO_EXTENSION
returns only the last one and
PATHINFO_FILENAME
only strips the last one.
(see first example below).
Notă:
If the path
does not have an extension, no
extension
element will be returned
(see second example below).
Notă:
If the basename
of the path
starts
with a dot, the following characters are interpreted as
extension
, and the filename
is empty
(see third example below).
If flags
is present, returns a
string containing the requested element.
Exemple
Example #1 pathinfo() Example
<?php
$path_parts = pathinfo('/www/htdocs/inc/lib.inc.php');
echo $path_parts['dirname'], "\n";
echo $path_parts['basename'], "\n";
echo $path_parts['extension'], "\n";
echo $path_parts['filename'], "\n"; // since PHP 5.2.0
?>
Exemplul de mai sus va afișa:
/www/htdocs/inc
lib.inc.php
php
lib.inc
Example #2 pathinfo() example showing difference between null and no extension
<?php
$path_parts = pathinfo('/path/emptyextension.');
var_dump($path_parts['extension']);
$path_parts = pathinfo('/path/noextension');
var_dump($path_parts['extension']);
?>
Exemplul de mai sus va afișa ceva similar cu:
string(0) ""
Notice: Undefined index: extension in test.php on line 6
NULL
Example #3 pathinfo() example for a dot-file
<?php
print_r(pathinfo('/some/path/.test'));
?>
Exemplul de mai sus va afișa ceva similar cu:
Array
(
[dirname] => /some/path
[basename] => .test
[extension] => test
[filename] =>
)
A se vedea și
- dirname() - Returns a parent directory's path
- basename() - Returns trailing name component of path
- parse_url() - Parse a URL and return its components
- realpath() - Returns canonicalized absolute pathname