OCI-Lob::erase
(PHP 5, PECL OCI8 >= 1.1.0)
OCI-Lob::erase — Erases a specified portion of the internal LOB data
Описание
int OCI-Lob::erase
([ int $offset
[, int $length
]] )
For BLOBs, erasing means that the existing LOB value is overwritten with
zero-bytes. For CLOBs, the existing LOB value is overwritten with spaces.
Список параметров
-
offset
-
-
length
-
Возвращаемые значения
Returns the actual number of characters/bytes erased или FALSE в случае возникновения ошибки.