HTMLPurifier_AttrTransform_TargetNoopener

Adds rel="noopener" to any links which target a different window than the current one. This is used to prevent malicious websites from silently replacing the original window, which could be used to do phishing.

This transform is controlled by %HTML.TargetNoopener.

• Full name: \HTMLPurifier_AttrTransform_TargetNoopener
• Parent class: \HTMLPurifier_AttrTransform

Methods

transform

Abstract: makes changes to the attributes dependent on multiple values.

public transform(array $attr, \HTMLPurifier_Config $config, \HTMLPurifier_Context $context): array

Parameters:

Parameter	Type	Description
$attr	array
$config	\HTMLPurifier_Config
$context	\HTMLPurifier_Context

---

Inherited methods

transform

Abstract: makes changes to the attributes dependent on multiple values.

public transform(array $attr, \HTMLPurifier_Config $config, \HTMLPurifier_Context $context): array

• This method is abstract.

Parameters:

Parameter	Type	Description
$attr	array	Assoc array of attributes, usually from HTMLPurifier_Token_Tag::$attr
$config	\HTMLPurifier_Config	Mandatory HTMLPurifier_Config object.
$context	\HTMLPurifier_Context	Mandatory HTMLPurifier_Context object

Return Value:

Processed attribute array.

---

prependCSS

Prepends CSS properties to the style attribute, creating the attribute if it doesn't exist.

public prependCSS(array& $attr, string $css): mixed

Parameters:

Parameter	Type	Description
$attr	array	Attribute array to process (passed by reference)
$css	string	CSS to prepend

---

confiscateAttr

Retrieves and removes an attribute

public confiscateAttr(array& $attr, mixed $key): mixed

Parameters:

Parameter	Type	Description
$attr	array	Attribute array to process (passed by reference)
$key	mixed	Key of attribute to confiscate

---

---

Automatically generated on 2025-03-18