php拼装sql

    private static function getInsertSql($table, $log)
    {
        $keys   = "";
        $values = "";
        foreach ($log as $key => $value) {
            if ($key == 'ps3') {
                $keys   .= "`{$key}`";
                $values .= "'{$value}'";
            } else {
                $keys   .= "`{$key}`,";
                $values .= "'{$value}',";
            }
        }
        $keys   .= ") VALUES (";
        $values .= ");";
        return "INSERT INTO `{$table}` (" . $keys . $values;
    }