©
이 문서에서는 PHP 중국어 웹사이트 매뉴얼 풀어 주다
(PECL rpmreader >= 0.1.0)
rpm_get_tag — Retrieves a header tag from an RPM file
$rpmr
, int $tagnum
)rpm_get_tag() will retrieve a given tag from the RPM file's header and return it.
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.
The return value can be of various types depending on the
tagnum
supplied to the function.
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 );
?>
[#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 =>