www.gusucode.com > Piwik 网站流量统计系统 v2.9.1PHP源码程序 > Piwik 网站流量统计系统 v2.9.1/How to install Piwik.html/piwik/vendor/piwik/network/src/IPv4.php
<?php /** * Piwik - free/libre analytics platform * * @link http://piwik.org * @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later */ namespace Piwik\Network; /** * IP v4 address. * * This class is immutable, i.e. once created it can't be changed. Methods that modify it * will always return a new instance. */ class IPv4 extends IP { /** * {@inheritdoc} */ public function toIPv4String() { return $this->toString(); } /** * {@inheritdoc} */ public function anonymize($byteCount) { $newBinaryIp = $this->ip; $i = strlen($newBinaryIp); if ($byteCount > $i) { $byteCount = $i; } while ($byteCount-- > 0) { $newBinaryIp[--$i] = chr(0); } return self::fromBinaryIP($newBinaryIp); } }