mysqli::$errno, mysqli_errno

• mysqli::$errno

  mysqli_errno

  Returns the error code for the most recent function call

Description

Object oriented styleint mysqli->errno ;

Procedural styleint mysqli_errno(mysqli link);

Returns the last error code for the most recent MySQLi function call that can succeed or fail.

Client error message numbers are listed in the MariaDB errmsg.h header file, server error message numbers are listed in mysqld_error.h. In the MariaDB source distribution you can find a complete list of error messages and error numbers in the file Docs/mysqld_error.txt.

Parameters

link

Procedural style only: A link identifier returned by mysqli_connect or mysqli_init

Return Values

An error code value for the last call, if it failed. zero means no error occurred.

Examples

Example 20.110. $mysqli->errno example

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();
?>

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);
?>

The above examples will output:

Errorcode: 1193

See Also

mysqli_connect_errno

mysqli_connect_error

mysqli_error

mysqli_sqlstate

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