(PHP 5 >= 5.1.0, PECL pdo >= 0.1.0)
PDOStatement::errorInfo — Fetch extended error information associated with the last operation on the statement handle
PDOStatement::errorInfo() returns an array of error information about the last operation performed by this statement handle. The array consists of the following fields:
| Element | Information | 
|---|---|
| 0 | SQLSTATE error code (a five characters alphanumeric identifier defined in the ANSI SQL standard). | 
| 1 | Driver specific error code. | 
| 2 | Driver specific error message. | 
Example #1 Displaying errorInfo() fields for a PDO_ODBC connection to a DB2 database
<?php
/* Provoke an error -- the BONES table does not exist */
$sth = $dbh->prepare('SELECT skull FROM bones');
$sth->execute();
echo "\nPDOStatement::errorInfo():\n";
$arr = $sth->errorInfo();
print_r($arr);
?>
The above example will output:
PDOStatement::errorInfo():
Array
(
    [0] => 42S02
    [1] => -204
    [2] => [IBM][CLI Driver][DB2/LINUX] SQL0204N  "DANIELS.BONES" is an undefined name.  SQLSTATE=42704
)