(PECL rar >= 2.0.0)
RarArchive::getComment -- rar_comment_get — Get comment text from the RAR archive
面向对象风格 (method):
过程化风格:
Get the (global) comment stored in the RAR archive. It may be up to 64 KiB long.
Note:
This extension does not support comments at the entry level.
Returns the comment or NULL if there is none.
Note:
RAR has currently no support for unicode comments. The encoding of the result of this function is not specified, but it will probably be Windows-1252.
Example #1 面向对象风格
<?php
$rar_arch = RarArchive::open('commented.rar');
echo $rar_arch->getComment();
?>
以上例程的输出类似于：
This is the comment of the file commented.rar.
Example #2 过程化风格
<?php
$rar_arch = rar_open('commented.rar');
echo rar_comment_get($rar_arch);
?>