OCI-Lob::erase
Erases a specified portion of the internal LOB data
Description
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.
Return Values
Returns the actual number of characters/bytes erased or FALSE
on failure.