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# RPM information extension for PHP
Retrieve RPM information from PHP code using librpm.
**Notice**: this is a experimental extension, a work in progress, so don't expect a stable API yet.
----
# Build
You need the rpm development files (rpm-devel) version >= 4.11.3.
From the sources tree
$ phpize
$ ./configure --enable-rpminfo
$ make
$ make test
----
# Usage
## rpmvercmp
int rpmvercmp(string evr1, string evr2);
Allow to compare 2 EVR (epoch:version-release) strings. The return value is < 0 if evr1 < evr2, > 0 if evr1 > evr2, 0 if equal.
$ php -a
php > var_dump(rpmvercmp("1.0", "1.1"));
int(-1)
php > var_dump(rpmvercmp("1:1.0", "1.1"));
int(1)
## rpminfo
array rpminfo(string path [, bool full ]);
Retrieve information from a rpm file, reading its metadata.
The return value is a hash table, or false if it fails.
$ php -a
php > print_r(rpminfo("tests/bidon.rpm"));
Array
(
[Name] => bidon
[Version] => 1
[Release] => 1.fc25.remi
[Arch] => x86_64
)
php > print_r(rpminfo("tests/bidon.rpm", true));
Array
(
[Headeri18ntable] => C
[Sigsize] => 2304
[Sigmd5] => 644819c3566819b1e10a5c97943de094
[Sha1header] => 0a86742fe53973ac9ab4611187a83ffb44f1de5a
[Sha256header] => 9aab7242a80212ad1fe4fdd3b250c0c4f176c0b3fb1355c0d62ff094fc3f7da0
[Name] => bidon
[Version] => 1
[Release] => 1.fc25.remi
[Summary] => Bidon
[Description] => A dummy package
...
[IsSource] =>
)
php > var_dump(rpminfo("missing.rpm"));
Warning: rpminfo(): Can't open 'missing.rpm': No such file or directory in php shell code on line 1
bool(false)
php > var_dump(rpminfo("missing.rpm", false, $error));
bool(false)
php > echo $error;
Can't open 'missing.rpm': No such file or directory
----
# LICENSE
Author: Remi Collet
This extension is licensed under [The PHP License, version 3.01](http://www.php.net/license/3_01.txt)
-----
# History
Created as a PoC, for fun, see history on
https://blog.remirepo.net/post/2018/01/26/About-repomanage-performance-regression
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