| extends | HTMLPurifier_AttrDef | 
|---|
Validates a number as defined by the CSS spec.
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| 
					
	public
					
					
				 | __construct(bool $non_negative = false)Parameters
 Overriden by | # | ||||||
| 
					
	public
					
					
				 | validate(string $number, HTMLPurifier_Config $config, HTMLPurifier_Context $context): string|bool
		Validates and cleans passed string according to a definition.
	 Validates and cleans passed string according to a definition. Parameters
 Overriden byImplements | # | ||||||
| Methods inherited from HTMLPurifier_AttrDef | 
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| parseCDATA(), make(), mungeRgb(), expandCSSEscape() | 
| Properties | |||
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| 
	protected
					
					
				 |  | $non_negative = false
		Indicates whether or not only positive values are allowed.
	 Indicates whether or not only positive values are allowed. | # | 
| Properties inherited from HTMLPurifier_AttrDef | 
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| $minimized, $required |