mysqli::dump_debug_info
mysqli->error
MySQLi
PHP Manual

# mysqli->errno

# mysqli_errno

(PHP 5)

mysqli->errno -- mysqli_errno — Returns the error code for the most recent function call

### Opis

Styl obiektowy

mysqli
int $errno;

Styl proceduralny

int 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 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.

### Parametry

`połączenie`

  Tylko styl proceduralny: Identyfikator połączenia zwrócony przez mysqli_connect() lub mysqli_init()

### Zwracane wartości

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

### Przykłady

Przykład #1 mysqli->errno example

Styl obiektowy

`<?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();
?>`

Styl proceduralny

`<?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);
?>`

Powyższe przykłady wyświetlą:

    Errorcode: 1193

### Zobacz też:

- 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

mysqli::dump_debug_info
mysqli->error
MySQLi
PHP Manual