/
QueryLogger.php
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/
QueryLogger.php
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<?php
/**
* CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
* Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
*
* Licensed under The MIT License
* For full copyright and license information, please see the LICENSE.txt
* Redistributions of files must retain the above copyright notice.
*
* @copyright Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
* @link http://cakephp.org CakePHP(tm) Project
* @since 3.0.0
* @license http://www.opensource.org/licenses/mit-license.php MIT License
*/
namespace Cake\Database\Log;
use Cake\Log\Log;
/**
* This class is a bridge used to write LoggedQuery objects into a real log.
* by default this class use the built-in CakePHP Log class to accomplish this
*
* @internal
*/
class QueryLogger
{
/**
* Writes a LoggedQuery into a log
*
* @param \Cake\Database\Log\LoggedQuery $query to be written in log
* @return void
*/
public function log(LoggedQuery $query)
{
if (!empty($query->params)) {
$query->query = $this->_interpolate($query);
}
$this->_log($query);
}
/**
* Wrapper function for the logger object, useful for unit testing
* or for overriding in subclasses.
*
* @param \Cake\Database\Log\LoggedQuery $query to be written in log
* @return void
*/
protected function _log($query)
{
Log::write('debug', $query, ['queriesLog']);
}
/**
* Helper function used to replace query placeholders by the real
* params used to execute the query
*
* @param \Cake\Database\Log\LoggedQuery $query The query to log
* @return string
*/
protected function _interpolate($query)
{
$params = array_map(function ($p) {
if ($p === null) {
return 'NULL';
}
if (is_bool($p)) {
return $p ? '1' : '0';
}
return is_string($p) ? "'$p'" : $p;
}, $query->params);
$keys = [];
$limit = is_int(key($params)) ? 1 : -1;
foreach ($params as $key => $param) {
$keys[] = is_string($key) ? "/:$key\b/" : '/[?]/';
}
return preg_replace($keys, $params, $query->query, $limit);
}
}