php -i | grep mysqlnd
的输出是:
Client API version => mysqlnd 5.0.11-dev - 20120503 - $Id: 40933630edef551dfaca71298a83fad8d03d62d4 Client API library version => mysqlnd 5.0.11-dev - 20120503 - $Id: 40933630edef551dfaca71298a83fad8d03d62d4 mysqlnd mysqlnd => enabled Version => mysqlnd 5.0.11-dev - 20120503 - Id: 40933630edef551dfaca71298a83fad8d03d62d Loaded plugins => mysqlnd,debug_trace,auth_plugin_mysql_native_password,auth_plugin_mysql_clear_password mysqlnd statistics => Client API version => mysqlnd 5.0.11-dev - 20120503 - $Id: 40933630edef551dfaca71298a83fad8d03d62d4
这表明它已加载 mysqlnd => enabled
然而,所有数据库值仍然以字符串形式出现,而不是转换为 native PHP 类型:
$connection = new mysqli('127.0.0.1', 'root', '', 'my_database');
// Settings contains one tinyint field 'enabled'
$result = mysqli_query($connection, 'select * from settings');
var_dump(mysqli_fetch_array($result));
结果
array (size=1)
'enabled' => string '1' (length=1)
预期
array (size=1)
'enabled' => int 1
我是否缺少一些配置/任何建议?
最佳答案
看来 mysqlnd 仅当您使用 PDO 时才可用。
我已更改代码以使用 PDO,并确保模拟准备已关闭(否则它仍会返回字符串)。现在它转换为 PHP 数据类型! :-)
$pdo = new PDO('mysql:host=127.0.0.1;dbname=my_database', 'root', '');
$pdo->setAttribute(PDO::ATTR_EMULATE_PREPARES, false);
$result = $pdo->query('select * from settings');
var_dump($result->fetch());
结果
array (size=1)
'enabled' => int 1
关于php - 即使加载,Mysqlnd native 驱动程序也无法工作,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/28395651/