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PDO::getAttribute
(PHP 5 >= 5.1.0, PECL pdo:0.2-1.0.3)
PDO::getAttribute — Retrieve a database connection attribute
Описание
mixed PDO::getAttribute ( int $attribute )
This function returns the value of a database connection attribute. To retrieve PDOStatement attributes, refer to PDOStatement::getAttribute().
Note that some database/driver combinations may not support all of the database connection attributes.
Список параметров
- attribute
-
One of the PDO::ATTR_* constants. The constants that apply to database connections are as follows:
- PDO::ATTR_AUTOCOMMIT
- PDO::ATTR_CASE
- PDO::ATTR_CLIENT_VERSION
- PDO::ATTR_CONNECTION_STATUS
- PDO::ATTR_DRIVER_NAME
- PDO::ATTR_ERRMODE
- PDO::ATTR_ORACLE_NULLS
- PDO::ATTR_PERSISTENT
- PDO::ATTR_PREFETCH
- PDO::ATTR_SERVER_INFO
- PDO::ATTR_SERVER_VERSION
- PDO::ATTR_TIMEOUT
Возвращаемые значения
A successful call returns the value of the requested PDO attribute. An unsuccessful call returns null.
Примеры
Пример #1 Retrieving database connection attributes
<?php
$conn = new PDO('odbc:sample', 'db2inst1', 'ibmdb2');
$attributes = array(
"AUTOCOMMIT", "ERRMODE", "CASE", "CLIENT_VERSION", "CONNECTION_STATUS",
"ORACLE_NULLS", "PERSISTENT", "PREFETCH", "SERVER_INFO", "SERVER_VERSION",
"TIMEOUT"
);
foreach ($attributes as $val) {
echo "PDO::ATTR_$val: ";
echo $conn->getAttribute(constant("PDO::ATTR_$val")) . "\n";
}
?>
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