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 PHP manuál : function.db2-conn-error.html

db2_conn_error
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db2_conn_error

(no version information, might be only in CVS)

db2_conn_error --  Returns a string containing the SQLSTATE returned by the last connection attempt

Description

string db2_conn_error ( [resource connection] )

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.

db2_conn_error() returns an SQLSTATE value representing the reason the last attempt to connect to a database failed. As db2_connect() returns FALSE in the event of a failed connection attempt, you do not pass any parameters to db2_conn_error() to retrieve the SQLSTATE value.

If, however, the connection was successful but becomes invalid over time, you can pass the connection parameter to retrieve the SQLSTATE value for a specific connection.

To learn what the SQLSTATE value means, you can issue the following command at a DB2 Command Line Processor prompt: db2 '? sqlstate-value'. You can also call db2_conn_errormsg() to retrieve an explicit error message and the associated SQLCODE value.

Parameters

connection

A connection resource associated with a connection that initially succeeded, but which over time became invalid.

Return Values

Returns the SQLSTATE value resulting from a failed connection attempt. Returns an empty string if there is no error associated with the last connection attempt.

Examples

Example 1. Retrieving an SQLSTATE value for a failed connection attempt

The following example demonstrates how to return an SQLSTATE value after deliberately passing invalid parameters to db2_connect().

<?php
$conn = db2_connect('badname', 'baduser', 'badpassword');
if (!$conn) {
    print "SQLSTATE value: " . db2_conn_error();
}
?>

The above example will output:

SQLSTATE value: 08001

See Also

db2_conn_errormsg()
db2_connect()
db2_stmt_error()
db2_stmt_errormsg()

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