PHP mysqli_errno() Function

Object oriented style

int $mysqli->errno;

Procedural style

int mysqli_errno ( mysqli $link )

The mysqli_errno() function returns the last error code for the most recent function call, if any.

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

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.

Examples -

Object oriented style

Procedural style

The above examples will output:

Errorcode: 1193

ParameterDescription
linkProcedural style only: A link identifier returned by mysqli_connect() or mysqli_init()

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