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# mysqli_connect_errno

(PHP 5)

mysqli_connect_errno -- Returns the error code from last connect call

## Description

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()

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