OCI-Lob->erase
(No version information available, might be only in CVS)
OCI-Lob->erase — Erases a specified portion of the internal LOB data
Description
OCI-Lob
int erase
([ int $offset
[, int $length
]] )
Erases a specified portion of the internal LOB data starting at a
specified offset
. If called without parameters, it
erases all LOB data.
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 in case of
error.