rpm_get_tag

(PECL rpmreader >= 0.1.0)

rpm_get_tag — Retrieves a header tag from an RPM file

说明

rpm_get_tag ( resource $rpmr , int $tagnum ) : mixed

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

User Contributed Notes

nrsocial at gmail dot com 03-Jul-2013 06:00
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 =>