(PHP 8 >= 8.1.2)
mysqli_sql_exception::getSqlState — Returns the SQLSTATE error code
Returns a string containing the SQLSTATE error code for the last error. The error code consists of five characters. The values are specified by ANSI SQL and ODBC. For a list of possible values, see » http://dev.mysql.com/doc/mysql/en/error-handling.html.
注意:
Note that not all MySQL errors are yet mapped to SQLSTATE's. The value
HY000(general error) is used for unmapped errors.
此函数没有参数。
Returns a string containing the SQLSTATE error code for the last error. The error code consists of five characters.