rpm_get_tag
(PECL rpmreader >= 0.1.0)
rpm_get_tag — Retrieves a header tag from an RPM file
说明
$rpmr
, int $tagnum
)rpm_get_tag() will retrieve a given tag from the RPM file's header and return it.
参数
-
rpmr -
A file pointer resource successfully opened by rpm_open() .
-
tagnum -
The tag number to retrieve from the RPM header. This value can be specified using the list of constants defined by this module.
返回值
The return value can be of various types depending on the
tagnum supplied to the function.
范例
Example #1 rpm_get_tag() example
<?php
$file = "/path/to/file.rpm" ;
$rpmr = rpm_open ( $file );
$name = rpm_get_tag ( $rpmr , RPMREADER_NAME );
echo " $name <br>\n" ;
rpm_close ( $rpmr );
?> 参见
- rpm_open() - Opens an RPM file
- rpm_close() - Closes an RPM file
用户评论:
[#1] nrsocial at gmail dot com [2013-07-03 06:00:05]
When getting the tags RPMREADER_REQUIREFLAGS, RPMREADER_CONFLICTFLAGS, RPMREADER_PROVIDEFLAGS, OBSOLETEFLAGS, the values correspond to the following:
2 - <
4 - >
8 - = OR ==
10 - <= OR =<
12 - >= OR =>