odbc_free_result
(PHP 4, PHP 5, PHP 7)
odbc_free_result — Free resources associated with a result
Описание
bool odbc_free_result
( resource
$result_id
)Free resources associated with a result.
odbc_free_result() only needs to be called if you are worried about using too much memory while your script is running. All result memory will automatically be freed when the script is finished.
Список параметров
-
result_id -
The result identifier.
Возвращаемые значения
Always returns TRUE.
Примечания
Замечание:
If auto-commit is disabled (see odbc_autocommit()) and you call odbc_free_result() before committing, all pending transactions are rolled back.
- PHP Руководство
- Функции по категориям
- Индекс функций
- Справочник функций
- Расширения для работы с базами данных
- Уровни абстракции
- ODBC (Unified)
- odbc_autocommit
- odbc_binmode
- odbc_close_all
- odbc_close
- odbc_columnprivileges
- odbc_columns
- odbc_commit
- odbc_connect
- odbc_cursor
- odbc_data_source
- odbc_do
- odbc_error
- odbc_errormsg
- odbc_exec
- odbc_execute
- odbc_fetch_array
- odbc_fetch_into
- odbc_fetch_object
- odbc_fetch_row
- odbc_field_len
- odbc_field_name
- odbc_field_num
- odbc_field_precision
- odbc_field_scale
- odbc_field_type
- odbc_foreignkeys
- odbc_free_result
- odbc_gettypeinfo
- odbc_longreadlen
- odbc_next_result
- odbc_num_fields
- odbc_num_rows
- odbc_pconnect
- odbc_prepare
- odbc_primarykeys
- odbc_procedurecolumns
- odbc_procedures
- odbc_result_all
- odbc_result
- odbc_rollback
- odbc_setoption
- odbc_specialcolumns
- odbc_statistics
- odbc_tableprivileges
- odbc_tables
Коментарии
MDBTools driver needs you to properly free up a result_id before reusing a variable.
An odbc_fetch_array() over a overwritten variable with a new result will crash the script with a Segmentation fault if the previous resource wasn't free'd up.
PHP 5.6