pathinfo()

 

可輕鬆取檔案名稱、副檔名、根目錄相對路徑、資料夾名

 

用法一

pathinfo($path, PATHINFO_EXTENSION);

// 參數 (選用)
PATHINFO_DIRNAME   //完整路徑
PATHINFO_BASENAME  //完整檔名
PATHINFO_EXTENSION //副檔名
PATHINFO_FILENAME  //檔名

用法二

$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

output:

/www/htdocs/inc
lib.inc.php
php
lib.inc

 

參考：

http://stackoverflow.com/questions/10368217/how-to-get-the-file-extension-in-php
http://php.net/manual/en/function.pathinfo.php

 

 

--

轉自 https://vector.cool/php-pathinfo-get-dirname-basename-extension-filename/

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