HTMLPurifier_AttrDef_URI_IPv4 Class Reference

Validates an IPv4 address. More...

Inheritance diagram for HTMLPurifier_AttrDef_URI_IPv4:

Collaboration diagram for HTMLPurifier_AttrDef_URI_IPv4:

Public Member Functions
	validate ($aIP, $config, $context)
Public Member Functions inherited from HTMLPurifier_AttrDef
	parseCDATA ($string)
	Convenience method that parses a string as if it were CDATA.
	make ($string)
	Factory method for creating this class from a string.

Protected Member Functions
	_loadRegex ()
	Lazy load function to prevent regex from being stuffed in cache.
Protected Member Functions inherited from HTMLPurifier_AttrDef
	mungeRgb ($string)
	Removes spaces from rgb(0, 0, 0) so that shorthand CSS properties work properly.
	expandCSSEscape ($string)
	Parses a possibly escaped CSS string and returns the "pure" version of it.

Protected Attributes
	$ip4
	IPv4 regex, protected so that IPv6 can reuse it.

Additional Inherited Members
Data Fields inherited from HTMLPurifier_AttrDef
	$minimized = false
	Tells us whether or not an HTML attribute is minimized.
	$required = false
	Tells us whether or not an HTML attribute is required.

Detailed Description

Validates an IPv4 address.

Author

Feyd @ forums.devnetwork.net (public domain)

Definition at line 7 of file IPv4.php.

Member Function Documentation

HTMLPurifier_AttrDef_URI_IPv4::_loadRegex ( )

protected

Lazy load function to prevent regex from being stuffed in cache.

Definition at line 38 of file IPv4.php.

Referenced by HTMLPurifier_AttrDef_URI_IPv6\validate(), and validate().

    {
        $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})";
    }

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HTMLPurifier_AttrDef_URI_IPv4::validate	(		$aIP,
			$config,
			$context
	)

Parameters

string	$aIP
HTMLPurifier_Config	$config
HTMLPurifier_Context	$context

Returns

bool|string

Reimplemented from HTMLPurifier_AttrDef.

Reimplemented in HTMLPurifier_AttrDef_URI_IPv6.

Definition at line 22 of file IPv4.php.

References _loadRegex().

    {
        if (!$this->ip4) {
            $this->_loadRegex();
        }

        if (preg_match('#^' . $this->ip4 . '$#s', $aIP)) {
            return $aIP;
        }
        return false;
    }

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Field Documentation

HTMLPurifier_AttrDef_URI_IPv4::$ip4

protected

IPv4 regex, protected so that IPv6 can reuse it.

string

Definition at line 14 of file IPv4.php.

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The documentation for this class was generated from the following file:

• Services/Html/HtmlPurifier/library/HTMLPurifier/AttrDef/URI/IPv4.php