php如何执行非缓冲查询API

<"localhost", "my_user", "my_password", "world");
$uresult = $mysqli->query("SELECT Name FROM City", MYSQLI_USE_RESULT);

if ($uresult) {
  while ($row = $uresult->fetch_assoc()) {
    echo $row['Name'] . PHP_EOL;
  }
}
$uresult->close();
"color: #800000"> pdo_mysql



<"mysql:host=localhost;dbname=world", 'my_user', 'my_pass');
$pdo->setAttribute(PDO::MYSQL_ATTR_USE_BUFFERED_QUERY, false);

$uresult = $pdo->query("SELECT Name FROM City");
if ($uresult) {
  while ($row = $uresult->fetch(PDO::FETCH_ASSOC)) {
    echo $row['Name'] . PHP_EOL;
  }
}
"htmlcode">

<"localhost", "my_user", "my_pass");
$db  = mysql_select_db("world");

$uresult = mysql_unbuffered_query("SELECT Name FROM City");
if ($uresult) {
  while ($row = mysql_fetch_assoc($uresult)) {
    echo $row['Name'] . PHP_EOL;
  }
}
?>




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