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✎ Editing: Length.php ← Back

<?php

/**

* Represents a Length as defined by CSS.

class HTMLPurifier_AttrDef_CSS_Length extends HTMLPurifier_AttrDef

{

/**

* @type HTMLPurifier_Length|string

protected $min;

/**

* @type HTMLPurifier_Length|string

protected $max;

/**

* @param HTMLPurifier_Length|string $min Minimum length, or null for no bound. String is also acceptable.

* @param HTMLPurifier_Length|string $max Maximum length, or null for no bound. String is also acceptable.

public function __construct($min = null, $max = null)

{

$this->min = $min !== null ? HTMLPurifier_Length::make($min) : null;

$this->max = $max !== null ? HTMLPurifier_Length::make($max) : null;

}

/**

* @param string $string

* @param HTMLPurifier_Config $config

* @param HTMLPurifier_Context $context

* @return bool|string

public function validate($string, $config, $context)

{

$string = $this->parseCDATA($string);

// Optimizations

if ($string === '') {

return false;

}

if ($string === '0') {

return '0';

}

if (strlen($string) === 1) {

return false;

}

$length = HTMLPurifier_Length::make($string);

if (!$length->isValid()) {

return false;

}

if ($this->min) {

$c = $length->compareTo($this->min);

if ($c === false) {

return false;

}

if ($c < 0) {

return false;

}

if ($this->max) {

$c = $length->compareTo($this->max);

if ($c === false) {

return false;

}

if ($c > 0) {

return false;

}

return $length->toString();

}

// vim: et sw=4 sts=4

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