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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
*/
/**
* Delete all rows for which a given function returns false for a given column.
*
* @package Piwik
* @subpackage Piwik_DataTable
*/
class Piwik_DataTable_Filter_ColumnCallbackDeleteRow extends Piwik_DataTable_Filter
{
private $columnToFilter;
private $function;
private $functionParams;
/**
* @param Piwik_DataTable $table
* @param string $columnToFilter
* @param callback $function
* @param array $functionParams
*/
public function __construct($table, $columnToFilter, $function, $functionParams = array())
{
parent::__construct($table);
if (!is_array($functionParams)) {
$functionParams = array($functionParams);
}
$this->function = $function;
$this->columnToFilter = $columnToFilter;
$this->functionParams = $functionParams;
}
/**
* Filters the given data table
*
* @param Piwik_DataTable $table
*/
public function filter($table)
{
foreach ($table->getRows() as $key => $row) {
$columnValue = $row->getColumn($this->columnToFilter);
if (!call_user_func_array($this->function, array_merge(array($columnValue), $this->functionParams))) {
$table->deleteRow($key);
}
$this->filterSubTable($row);
}
}
}
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