復制代碼 代碼如下:

1.dirname(__FILE__); //輸出D:/phpweb/php_example
2.$_SERVER['SCRIPT_FILENAME']; //輸出D:/phpweb/php_example/include_path.php

復制代碼 代碼如下:

<?php
$path = '/usr/lib/pear';
set_include_path(get_include_path() . PATH_SEPARATOR . $path);//設置后的include_path變為類似/usr/lib/function;/usr/lib/pear
?>