mirror of
https://github.com/ezyang/htmlpurifier.git
synced 2024-12-23 17:01:51 +00:00
522c8ed7c2
- Add FSTools:globr() - require_once removed from all files - HTMLPurifier.autoload.php added to register autoload handler - Removed redundant chdir in maintenance script - Modified standalone to use HTMLPurifier.includes.php for including stuff - Added maintenance script remove-require-once.php which we used once and should never use again git-svn-id: http://htmlpurifier.org/svnroot/htmlpurifier/trunk@1516 48356398-32a2-884e-a903-53898d9a118a
35 lines
953 B
PHP
35 lines
953 B
PHP
<?php
|
|
|
|
/**
|
|
* Validates an integer representation of pixels according to the HTML spec.
|
|
*/
|
|
class HTMLPurifier_AttrDef_HTML_Pixels extends HTMLPurifier_AttrDef
|
|
{
|
|
|
|
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 ($int > 1200) return '1200';
|
|
|
|
return (string) $int;
|
|
|
|
}
|
|
|
|
}
|
|
|