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[![Packagist](https://img.shields.io/packagist/v/wikimedia/ip-utils.svg?style=flat)](https://packagist.org/packages/wikimedia/ip-utils)
IPUtils
=======
Parse, match, and analyze IP addresses and CIDR ranges. This library supports both IPv4 and IPv6.
Additional documentation about the library can be found on
[mediawiki.org](https://www.mediawiki.org/wiki/IPUtils).
Usage
-----
<pre lang="php">
use Wikimedia\IPUtils;
IPUtils::isIPAddress( '::1' );
IPUtils::isIPv4( '124.24.52.13' );
</pre>
`IPSet` can be up to 100x faster than calling `IPUtils::isInRange()`
over multiple CIDR specs.
<pre lang="php">
use Wikimedia\IPSet;
// This will calculate an optimized data structure for the set
$ipset = new IPSet( [
'208.80.154.0/26',
'2620:0:861:1::/64',
'10.64.0.0/22',
] );
// Run fast checks against the same re-usable IPSet object
if ( $ipset->match( $ip ) ) {
// ...
}
</pre>
Running tests
-------------
composer install --prefer-dist
composer test
History
-------
The IPUtils class started life in 2006 as part of [MediaWiki 1.7][https://www.mediawiki.org/wiki/MediaWiki_1.7] ([r15572][https://www.mediawiki.org/wiki/Special:Code/MediaWiki/15572]). It was
split out of the MediaWiki codebase and published as an independent library
during the [MediaWiki 1.34][https://www.mediawiki.org/wiki/MediaWiki_1.34] development cycle.
The IPSet class was created by Brandon Black in 2014 as faster alternative to `IPUtils::isInRange()` (MediaWiki 1.24, [change 131758](https://gerrit.wikimedia.org/r/131758)). It was moved to a library during the MediaWiki 1.26 development cycle ([change 221179](https://gerrit.wikimedia.org/r/221179), [change 218384](https://gerrit.wikimedia.org/r/218384)).

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