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htmlpurifier/library/HTMLPurifier/AttrDef/CSS/AlphaValue.php
Edward Z. Yang 12b811d749 Add vim modelines to all files.
Signed-off-by: Edward Z. Yang <edwardzyang@thewritingpot.com>
2008-12-06 04:24:59 -05:00

22 lines
562 B
PHP

<?php
class HTMLPurifier_AttrDef_CSS_AlphaValue extends HTMLPurifier_AttrDef_CSS_Number
{
public function __construct() {
parent::__construct(false); // opacity is non-negative, but we will clamp it
}
public function validate($number, $config, $context) {
$result = parent::validate($number, $config, $context);
if ($result === false) return $result;
$float = (float) $result;
if ($float < 0.0) $result = '0';
if ($float > 1.0) $result = '1';
return $result;
}
}
// vim: et sw=4 sts=4