(PHP 4 >= 4.0.3, PHP 5, PHP 7)
pathinfo — �����ļ�·������Ϣ
$path
[, int $options = PATHINFO_DIRNAME | PATHINFO_BASENAME | PATHINFO_EXTENSION | PATHINFO_FILENAME
] ) : mixed
pathinfo() ����һ��������������� path
����Ϣ�����ع������黹���ַ���ȡ���� options��
pathҪ������·����
options
���ָ���ˣ����᷵��ָ��Ԫ�أ����ǰ�����PATHINFO_DIRNAME��PATHINFO_BASENAME
�� PATHINFO_EXTENSION �� PATHINFO_FILENAME��
���û��ָ�� options Ĭ���Ƿ���ȫ���ĵ�Ԫ��
���û�д��� options �����᷵�ذ������µ�Ԫ������ array��dirname��basename
�� extension����������� ��filename��
Note:
If the
pathdoes not have an extension, no extension element will be returned�����µڶ�����������
If options is present, returns a
string containing the requested element.
| �汾 | ˵�� |
|---|---|
| 5.2.0 |
����˳��� PATHINFO_FILENAME��
|
Example #1 pathinfo() ����
<?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
?>
�������̻������
/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']);
?>
�������̵���������ڣ�
string(0) "" Notice: Undefined index: extension in test.php on line 6 NULL
Note:
�й�ȡ�õ�ǰ·����Ϣ��˵�������Ķ�Ԥ�������һ�ڡ�
Note:
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.