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<?php
/**
* Piwik - Open source web analytics
*
* @link http://piwik.org
* @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
*
* @category Piwik
* @package Piwik
*/
namespace Piwik\DataTable\Filter;
use Piwik\DataTable;
use Piwik\DataTable\Filter;
/**
* @package Piwik
* @subpackage DataTable
*/
class SafeDecodeLabel extends Filter
{
private $columnToDecode;
static private $outputHtml = true;
/**
* @param DataTable $table
*/
public function __construct($table)
{
parent::__construct($table);
$this->columnToDecode = 'label';
}
/**
* Decodes the given value
*
* @param string $value
* @return mixed|string
*/
static public function safeDecodeLabel($value)
{
if (empty($value)) {
return $value;
}
$raw = urldecode($value);
$value = htmlspecialchars_decode($raw, ENT_QUOTES);
if (self::$outputHtml) {
// Pre 5.3
if (!defined('ENT_IGNORE')) {
$style = ENT_QUOTES;
} else {
$style = ENT_QUOTES | ENT_IGNORE;
}
// See changes in 5.4: http://nikic.github.com/2012/01/28/htmlspecialchars-improvements-in-PHP-5-4.html
// Note: at some point we should change ENT_IGNORE to ENT_SUBSTITUTE
$value = htmlspecialchars($value, $style, 'UTF-8');
}
return $value;
}
/**
* Decodes all columns of the given data table
*
* @param DataTable $table
*/
public function filter($table)
{
foreach ($table->getRows() as $row) {
$value = $row->getColumn($this->columnToDecode);
if ($value !== false) {
$value = self::safeDecodeLabel($value);
$row->setColumn($this->columnToDecode, $value);
$this->filterSubTable($row);
}
}
}
}
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