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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

설명

PDO
mixed 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.

매개변수

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

반환값

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

예제

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";
}
?>