mysqli_stmt_errno mysqli_stmt->errno Returns the error code for the most recent statement call Procedural style : intmysqli_stmt_errno mysqli_stmtstmt Object oriented style (property): mysqli_stmt interrno For the statement specified by stmt, mysqli_stmt_errno returns the error code for the most recently invoked statement function 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. &reftitle.returnvalues; An error code value. Zero means no error occurred. &reftitle.seealso; mysqli_stmt_error&listendand; mysqli_stmt_sqlstate. &reftitle.examples; query("CREATE TABLE myCountry LIKE Country"); $mysqli->query("INSERT INTO myCountry SELECT * FROM Country"); $query = "SELECT Name, Code FROM myCountry ORDER BY Name"; if ($stmt = $mysqli->prepare($query)) { /* drop table */ $mysqli->query("DROP TABLE myCountry"); /* execute query */ $stmt->execute(); printf("Error: %d.\n", $stmt->errno); /* close statement */ $stmt->close(); } /* close connection */ $mysqli->close(); ?> ]]> ]]> &example.outputs;