(PECL rpminfo >= 0.2.0)
rpmdbinfo — Get information from installed RPM
$nevr
   [, bool $full = FALSE
  ] ) : arrayRetrieve information about an installed package, from the system RPM database.
nevrName with optional epoch, version and release.
full
      If TRUE all information headers for the file are retrieved, else only a minimal set.
     
Ejemplo #1 A rpmdbinfo() example
<?php
rpmaddtag(RPMTAG_INSTALLTIME);
$info = rpmdbinfo("php-pecl-rpminfo");
print_r($info);
?>
El resultado del ejemplo sería:
Array
(
    [0] => Array
        (
            [Name] => php-pecl-rpminfo
            [Version] => 0.4.2
            [Release] => 1.fc31
            [Summary] => RPM information
            [Installtime] => 1586244687
            [Arch] => x86_64
        )
)