PHP Manuál
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PDO::getAttribute

(no version information, might be only in CVS)

PDO::getAttribute --  Retrieve a database connection attribute

Popis

mixed PDO::getAttribute ( long attribute )

Varovanie

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This function returns the value of a database connection attribute. To retrieve PDOStatement attributes, refer to PDOStatement::getAttribute().

Note that some databases may not support all of the database connection attributes.

Parametre

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_ERRMODE
PDO_ATTR_ORACLE_NULLS
PDO_ATTR_PERSISTENT
PDO_ATTR_PREFETCH
PDO_ATTR_SERVER_INFO
PDO_ATTR_SERVER_VERSION
PDO_ATTR_TIMEOUT

Vrátené hodnoty

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

Príklady

Príklad 1. Retrieving database connection attributes

<?php
$conn = new PDO('odbc:sample', 'db2inst1', 'ibmdb2');

print "\nPDO_ATTR_AUTOCOMMIT: ";
print $conn->getAttribute(PDO_ATTR_AUTOCOMMIT);

print "\nPDO_ATTR_ERRMODE: ";
print $conn->getAttribute(PDO_ATTR_ERRMODE);

print "\nPDO_ATTR_CASE: ";
print $conn->getAttribute(PDO_ATTR_CASE);

print "\nPDO_ATTR_CLIENT_VERSION: ";
print $conn->getAttribute(PDO_ATTR_CLIENT_VERSION);

print "\nPDO_ATTR_CONNECTION_STATUS: ";
print $conn->getAttribute(PDO_ATTR_CONNECTION_STATUS);

print "\nPDO_ATTR_ORACLE_NULLS: ";
print $conn->getAttribute(PDO_ATTR_ORACLE_NULLS);

print "\nPDO_ATTR_PERSISTENT: ";
print $conn->getAttribute(PDO_ATTR_PERSISTENT);

print "\nPDO_ATTR_PREFETCH: ";
print $conn->getAttribute(PDO_ATTR_PREFETCH);

print "\nPDO_ATTR_SERVER_INFO: ";
print $conn->getAttribute(PDO_ATTR_SERVER_INFO);

print "\nPDO_ATTR_SERVER_VERSION: ";
print $conn->getAttribute(PDO_ATTR_SERVER_VERSION);

print "\nPDO_ATTR_TIMEOUT: ";
print $conn->getAttribute(PDO_ATTR_TIMEOUT);
?>

Tiež pozri

PDO::setAttribute()
PDOStatement::getAttribute()
PDOStatement::setAttribute()

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PDO::execHorePDO::lastInsertId