$minimized
$minimized
Tells us whether or not an HTML attribute is minimized.
Has no meaning in other contexts.
Validates an integer representation of pixels according to the HTML spec.
parseCDATA(mixed $string) : mixed
Convenience method that parses a string as if it were CDATA.
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.
| mixed | $string |
<?php
/**
* Validates an integer representation of pixels according to the HTML spec.
*/
class HTMLPurifier_AttrDef_HTML_Pixels extends HTMLPurifier_AttrDef
{
/**
* @type int
*/
protected $max;
/**
* @param int $max
*/
public function __construct($max = null)
{
$this->max = $max;
}
/**
* @param string $string
* @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return bool|string
*/
public function validate($string, $config, $context)
{
$string = trim($string);
if ($string === '0') {
return $string;
}
if ($string === '') {
return false;
}
$length = strlen($string);
if (substr($string, $length - 2) == 'px') {
$string = substr($string, 0, $length - 2);
}
if (!is_numeric($string)) {
return false;
}
$int = (int)$string;
if ($int < 0) {
return '0';
}
// upper-bound value, extremely high values can
// crash operating systems, see <http://ha.ckers.org/imagecrash.html>
// WARNING, above link WILL crash you if you're using Windows
if ($this->max !== null && $int > $this->max) {
return (string)$this->max;
}
return (string)$int;
}
/**
* @param string $string
* @return HTMLPurifier_AttrDef
*/
public function make($string)
{
if ($string === '') {
$max = null;
} else {
$max = (int)$string;
}
$class = get_class($this);
return new $class($max);
}
}
// vim: et sw=4 sts=4