PHP Manual
RPM Reader 函数
Retrieves a header tag from an RPM file

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

rpm_open() - Opens an RPM file
rpm_close() - Closes an RPM file

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