HTMLPurifier_AttrDef_CSS_Number

Validates a number as defined by the CSS spec.

Full name: \HTMLPurifier_AttrDef_CSS_Number
Parent class: \HTMLPurifier_AttrDef

Properties

non_negative

Indicates whether or not only positive values are allowed.

protected $non_negative

Methods

__construct

public __construct(bool $non_negative = false): mixed

Parameters:

Parameter	Type	Description
`$non_negative`	bool	indicates whether negatives are forbidden

validate

Validates and cleans passed string according to a definition.

public validate(string $number, \HTMLPurifier_Config $config, \HTMLPurifier_Context $context): string|bool

Parameters:

Parameter	Type	Description
`$number`	string
`$config`	\HTMLPurifier_Config
`$context`	\HTMLPurifier_Context

Inherited methods

validate

Validates and cleans passed string according to a definition.

public validate(string $string, \HTMLPurifier_Config $config, \HTMLPurifier_Context $context): mixed

This method is abstract.

Parameters:

Parameter	Type	Description
`$string`	string	String to be validated and cleaned.
`$config`	\HTMLPurifier_Config	Mandatory HTMLPurifier_Config object.
`$context`	\HTMLPurifier_Context	Mandatory HTMLPurifier_Context object.

parseCDATA

Convenience method that parses a string as if it were CDATA.

public parseCDATA(mixed $string): mixed

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.

Parameters:

Parameter	Type	Description
`$string`	mixed

make

Factory method for creating this class from a string.

public make(string $string): \HTMLPurifier_AttrDef

Parameters:

Parameter	Type	Description
`$string`	string	String construction info

Return Value:

Created AttrDef object corresponding to $string

mungeRgb

Removes spaces from rgb(0, 0, 0) so that shorthand CSS properties work properly. THIS IS A HACK!

protected mungeRgb(string $string): string

Parameters:

Parameter	Type	Description
`$string`	string	a CSS colour definition

expandCSSEscape

Parses a possibly escaped CSS string and returns the "pure" version of it.

protected expandCSSEscape(mixed $string): mixed

Parameters:

Parameter	Type	Description
`$string`	mixed

Automatically generated on 2025-03-18