$minimized
$minimized
Tells us whether or not an HTML attribute is minimized.
Has no meaning in other contexts.
Validates an IPv4 address
parseCDATA(mixed $string) : mixed
Convenience method that parses a string as if it were CDATA.
This method process a string in the manner specified at http://www.w3.org/TR/html4/types.html#h-6.2 by removing leading and trailing whitespace, ignoring line feeds, and replacing carriage returns and tabs with spaces. While most useful for HTML attributes specified as CDATA, it can also be applied to most CSS values.
mixed | $string |
<?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