File io/db/driver/mysql/MySQLQuerier.class.php

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<?php
/**
 * @package     IO
 * @subpackage  DB\driver\mysql
 * @copyright   &copy; 2005-2019 PHPBoost
 * @license     https://www.gnu.org/licenses/gpl-3.0.html GNU/GPL-3.0
 * @author      Loic ROUCHON <horn@phpboost.com>
 * @version     PHPBoost 5.2 - last update: 2014 12 22
 * @since       PHPBoost 3.0 - 2009 10 01
*/

class MySQLQuerier extends AbstractSQLQuerier
{
    /**
     * @var SQLQueryVar
     */
    private $query_var_replacator;

    public function __construct(DBConnection $connection, SQLQueryTranslator $translator)
    {
        parent::__construct($connection, $translator);
        $this->query_var_replacator = new SQLQueryVars($this);
    }

    public function select($query, $parameters = array(), $fetch_mode = SelectQueryResult::FETCH_ASSOC)
    {
        $resource = $this->execute($query, $parameters);
        return new MySQLSelectQueryResult($query, $parameters, $resource, $fetch_mode);
    }

    public function inject($query, $parameters = array())
    {
        $resource = $this->execute($query, $parameters);
        return new MySQLInjectQueryResult($query, $parameters, $resource, $this->link);
    }

    public function escape($value)
    {
        return mysqli_real_escape_string($this->link, $value);
    }

    private function execute($query, $parameters)
    {
        $query = $this->prepare($query);
        if (!empty($parameters))
        {
            $query = $this->query_var_replacator->replace($query, $parameters);
        }
        $resource = mysqli_query($this->link, $query);
        $has_error = mysqli_error($this->link) !== '' && mysqli_errno($this->link) > 0;
        if ($resource === false && $has_error)
        {
            throw new MySQLQuerierException('invalid query', $query);
        }
        $this->display_database_query($query);
        return $resource;
    }

    private function display_database_query($query)
    {
        if (Debug::is_display_database_query_enabled())
        {
            Debug::dump($query);
            Debug::print_stacktrace(4);
        }
    }
}
?>