$pdo_link->query("SET NAMES 'utf8'");
$pdo_link->query("SET CHARACTER SET 'utf8'");
$pdo_link->query("SET SESSION collation_connection = 'utf8mb4_unicode_ci'");
$pdo_link->query("SET NAMES 'utf8'");
$pdo_link->query("INSERT INTO `names` SET `name` = 'Поехали'");