home
/
zktecojo
/
public_html
/
htmlpurifier
/
library
/
HTMLPurifier
/
AttrDef
/
URI
➕ New
📤 Upload
✎ Editing:
IPv4.php
← Back
<?php /** * Validates an IPv4 address * @author Feyd @ forums.devnetwork.net (public domain) */ class HTMLPurifier_AttrDef_URI_IPv4 extends HTMLPurifier_AttrDef { /** * IPv4 regex, protected so that IPv6 can reuse it. * @type string */ protected $ip4; /** * @param string $aIP * @param HTMLPurifier_Config $config * @param HTMLPurifier_Context $context * @return bool|string */ public function validate($aIP, $config, $context) { if (!$this->ip4) { $this->_loadRegex(); } if (preg_match('#^' . $this->ip4 . '$#s', $aIP)) { return $aIP; } return false; } /** * Lazy load function to prevent regex from being stuffed in * cache. */ protected function _loadRegex() { $oct = '(?:25[0-5]|2[0-4][0-9]|1[0-9]{2}|[1-9][0-9]|[0-9])'; // 0-255 $this->ip4 = "(?:{$oct}\\.{$oct}\\.{$oct}\\.{$oct})"; } } // vim: et sw=4 sts=4
💾 Save Changes
Cancel
📤 Upload File
×
Select File
Upload
Cancel
➕ Create New
×
Type
📄 File
📁 Folder
Name
Create
Cancel
✎ Rename Item
×
Current Name
New Name
Rename
Cancel
🔐 Change Permissions
×
Target File
Permission (e.g., 0755, 0644)
0755
0644
0777
Apply
Cancel