You can also find the error codes for for example MySQL 5.5 here: http://dev.mysql.com/doc/refman/5.5/en/error-handling.html
mysqli::$errno
mysqli_errno
(PHP 5)
mysqli::$errno -- mysqli_errno — Returns the error code for the most recent function call
Beskrivelse
Object oriented style
int $mysqli->errno;
Procedural style
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 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.
Parametre
-
link -
Procedural style only: A link identifier returned by mysqli_connect() or mysqli_init()
Returnerings Værdier
An error code value for the last call, if it failed. zero means no error occurred.
Eksempler
Eksempel #1 $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
Se også
- mysqli_connect_errno() - Returns the error code from last connect call
- mysqli_connect_error() - Returns a string description of the last connect error
- mysqli_error() - Returns a string description of the last error
- mysqli_sqlstate() - Returns the SQLSTATE error from previous MySQL operation
add a note
User Contributed Notes 1 note
erwin at transpontine dot com ¶
10 years ago
