PDOStatement::errorCode
(no version information, might be only in CVS)
PDOStatement::errorCode --
Fetch the error code associated with the last operation on the statement handle
Description
int
PDOStatement::errorCode ( void )
| Warning |
This function is
EXPERIMENTAL. The behaviour of this function, the
name of this function, and anything else documented about this
function may change without notice in a future release of PHP.
Use this function at your own risk. |
Returns an integer value that maps to the error categories defined
in the PDO constants.
Example 1. Determining which category of error occurred
<?php
/* Provoke an error -- the BONES table does not exist */
$err = $dbh->prepare('SELECT skull FROM bones');
$err->execute();
echo "\nPDOStatement::errorCode(): ";
switch ($err->errorCode()) {
case PDO_ERR_NONE:
echo "No error!\n";
break;
case PDO_ERR_CANT_MAP:
echo "Error: Unable to map data types between database and PHP.\n";
break;
case PDO_ERR_SYNTAX:
echo "Error: incorrect syntax\n";
break;
case PDO_ERR_CONSTRAINT:
echo "Error: The request would violate a constraint.\n";
break;
case PDO_ERR_NOT_FOUND:
echo "Error: The object could not be found.\n";
break;
case PDO_ERR_ALREADY_EXISTS:
echo "Error: The object already exists.\n";
break;
case PDO_ERR_NOT_IMPLEMENTED:
echo "Error: The requested function is not implemented.\n";
break;
case PDO_ERR_MISMATCH:
echo "Error: mismatch\n";
break;
case PDO_ERR_TRUNCATED:
echo "Error: The value was truncated because the input value was longer
than the maximum column length.\n";
break;
case PDO_ERR_DISCONNECTED:
echo "Error: The connection to the requested database has been closed.\n";
break;
}
?>
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The above example will output:
PDOStatement::errorCode(): Error: The object could not be found. |