The mysqli_connect_errno() function will return the last error code number for last call to mysqli_connect(). If no errors have occured, this function will return zero.

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.

Example

Example 1. mysqli_connect_errno sample

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

mysqli_connect_errno

Description

Return values

See also

Example