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Retrieve a database connection attribute

PDO::getAvailableDrivers

PDO::getAttribute

(PHP 5 >= 5.1.0, PECL pdo:0.2-1.0.3)

PDO::getAttribute — Retrieve a database connection attribute

Description

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.

Parameters

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

Return Values

A successful call returns the value of the requested PDO attribute. An unsuccessful call returns null.

Examples

Example #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";
}
?>

See Also

PDO::getAvailableDrivers