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mysqli_errno (PHP 5) mysqli_errno (no version information, might be only in CVS) mysqli->errno -- Returns the error code for the most recent function call DescriptionProcedural style: int mysqli_errno ( mysqli link ) Object oriented style (property): class mysqli { int errno }
The mysqli_errno() function will return the last error code for
the most recent MySQLi function call that can succeed or fail with respect to the
database link defined by the link parameter. If no errors
have occured, this function will return zero.
Note:
Client error message numbers are listed in the MySQL errmsg.h header file,
server error message numbers are listed in mysqld_error.h.
In the MySQL source distribution you can find a complete list of error messages and error numbers
in the file Docs/mysqld_error.txt.
Return Values
An error code value for the last call, if it failed. zero means no error occurred.
ExamplesExample 1. Object oriented style
<?php
$mysqli = new mysqli("localhost", "my_user", "my_password", "world");
/* check connection */
if (mysqli_connect_errno()) {
printf("Connect failed: %s\n", mysqli_connect_error());
exit();
}
if (!$mysqli->query("SET a=1")) {
printf("Errorcode: %d\n", $mysqli->errno);
}
/* close connection */
$mysqli->close();
?>
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Example 2. Procedural style
<?php
$link = mysqli_connect("localhost", "my_user", "my_password", "world");
/* check connection */
if (mysqli_connect_errno()) {
printf("Connect failed: %s\n", mysqli_connect_error());
exit();
}
if (!mysqli_query($link, "SET a=1")) {
printf("Errorcode: %d\n", mysqli_errno($link));
}
/* close connection */
mysqli_close($link);
?>
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The above example will output: Copyright © 1997 - 2007 by the PHP Documentation Group. This material may be distributed only subject to the terms and conditions set forth in the Open Publication License, v1.0 or later. A copy of the Open Publication License is distributed with this manual, the latest version is presently available at http://www.opencontent.org/openpub/.
Please see full copyright text at http://www.php.net/manual/en/copyright.php
Original version of the above documentation is available at http://www.php.net/manual/en/
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