0
0
mirror of https://github.com/ezyang/htmlpurifier.git synced 2024-12-23 08:51:53 +00:00
htmlpurifier/library/HTMLPurifier/AttrDef/Length.php
2006-08-11 20:26:25 +00:00

37 lines
894 B
PHP

<?php
require_once 'HTMLPurifier/AttrDef.php';
require_once 'HTMLPurifier/AttrDef/Pixels.php';
class HTMLPurifier_AttrDef_Length extends HTMLPurifier_AttrDef_Pixels
{
function validate($string, $config = null) {
$string = trim($string);
if ($string === '') return false;
$parent_result = parent::validate($string);
if ($parent_result !== false) return $parent_result;
$length = strlen($string);
$last_char = $string[$length - 1];
if ($last_char !== '%') return false;
$points = substr($string, 0, $length - 1);
if (!is_numeric($points)) return false;
$points = (int) $points;
if ($points < 0) return '0%';
if ($points > 100) return '100%';
return ((string) $points) . '%';
}
}
?>