(PHP 5 >= 5.3.2)
stream_resolve_include_path — Resolve filename against the include path
Resolve filename against the include path according to the same rules as fopen()/include().
The filename to resolve.
Returns a string containing the resolved absolute filename, 或者在失败时返回 FALSE.
Example #1 stream_resolve_include_path() example
Basic usage example.
以上例程的输出类似于：
<?php
var_dump(stream_resolve_include_path("test.php"));
?>
string(22) "/var/www/html/test.php"