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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
* @version $Id$
*
* @package Piwik_DataTable
*/
/**
* Delete all rows for which a given function returns false for a given column.
*
* @package Piwik_DataTable
* @subpackage Piwik_DataTable_Filter
*/
class Piwik_DataTable_Filter_ColumnCallbackDeleteRow extends Piwik_DataTable_Filter
{
private $columnToFilter;
private $function;
public function __construct( $table, $columnToFilter, $function )
{
parent::__construct($table);
$this->function = $function;
$this->columnToFilter = $columnToFilter;
$this->filter();
}
protected function filter()
{
foreach($this->table->getRows() as $key => $row)
{
$columnValue = $row->getColumn($this->columnToFilter);
if( $columnValue !== false
&& !call_user_func( $this->function, $columnValue))
{
$this->table->deleteRow($key);
}
}
}
}
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