OCILob::erase
(PHP 5, PHP 7, PHP 8, PECL OCI8 >= 1.1.0)
OCILob::erase — Erases a specified portion of the internal LOB data
Description
$offset
= null
, ?int $length
= null
): int|false
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.
Parameters
-
offset
-
-
length
-
Return Values
Returns the actual number of characters/bytes erased or false
on failure.
Changelog
Version | Description |
---|---|
8.0.0, PECL OCI8 3.0.0 |
offset and length are now nullable.
|
8.0.0, PECL OCI8 3.0.0 | The OCI-Lob class was renamed to OCILob to align with PHP naming standards. |