mysqli::commit
mysqli->connect_error
MySQLi
PHP Manual

# mysqli->connect_errno

# mysqli_connect_errno

(PHP 5)

mysqli->connect_errno -- mysqli_connect_errno — Returns the error code from last connect call

### Description

mysqli
string $connect_errno;
int mysqli_connect_errno ( void )

Returns the last error code number from the last call to mysqli_connect().

> 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 to mysqli_connect(), if it failed. zero means no error occurred.

### Examples

Example #1 mysqli_connect_errno() example

`<?php
$link = @mysqli_connect("localhost", "nonexisting_user", "");
if (!$link) {
printf("Can't connect to localhost. Errorcode: %d\n", mysqli_connect_errno());
}
?>`

### See Also

- mysqli_connect()
- mysqli_connect_error()
- mysqli_errno()
- mysqli_error()
- mysqli_sqlstate()

mysqli::commit
mysqli->connect_error
MySQLi
PHP Manual