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pathinfo

Returns information about a file path

Syntax

pathinfo ( string $path [, int $options = PATHINFO_DIRNAME | PATHINFO_BASENAME | PATHINFO_EXTENSION | PATHINFO_FILENAME ] ) : mixed

Parameters

path

The path to be parsed.

options

If present, specifies a specific element to be returned; one of PATHINFO_DIRNAME, PATHINFO_BASENAME, PATHINFO_EXTENSION or PATHINFO_FILENAME. If options is not specified, returns all available elements.

Return

If the options parameter is not passed, an associative array containing the following elements is returned: dirname, basename, extension (if any), and filename. If options is present, returns a string containing the requested element.

Note: If the path has more than one extension, PATHINFO_EXTENSION returns only the last one and PATHINFO_FILENAME only strips the last one.

Note: If the path does not have an extension, no extension element will be returned.

Note: If the basename of the path starts with a dot, the following characters are interpreted as extension, and the filename is empty.

Examples

1

<?

$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'];

?>
/www/htdocs/inc
lib.inc.php
php
lib.inc

2

<?

$path = '/www/htdocs/inc/lib.inc.php';

echo pathinfo($path, PATHINFO_DIRNAME) . "\n";
echo pathinfo($path, PATHINFO_BASENAME) . "\n";
echo pathinfo($path, PATHINFO_EXTENSION) . "\n";
echo pathinfo($path, PATHINFO_FILENAME);

?>
/www/htdocs/inc
lib.inc.php
php
lib.inc

3

<?

$path_parts = pathinfo('/path/emptyextension.');
var_dump($path_parts['extension']);

$path_parts = pathinfo('/path/noextension');
var_dump($path_parts['extension']);

?>
string(0) ""
NULL

4

<?

print_r(pathinfo('/some/path/.test'));

?>
Array
(
    [dirname] => /some/path
    [basename] => .test
    [extension] => test
    [filename] => 
)

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