Returns the error code for the most recent function call

# mysqli::$errno

# mysqli_errno

(PHP 5, PHP 7)

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

### Descrierea

Stil obiect-orientat

int $mysqli->errno;

Stil procedural

mysqli_errno ( mysqli `$link` ) : int

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.

### Parametri

`link`

  Numai stilul procedural: Un identificator al legăturii întors de mysqli_connect() sau mysqli_init()

### Valorile întoarse

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

### Exemple

Example #1 $mysqli->errno example

Stil obiect-orientat

`<?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();
?>`

Stil procedural

`<?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);
?>`

Exemplele de mai sus vor afișa:

    Errorcode: 1193

### A se vedea și

- 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