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OCILob::erase

PHP function Edit on GitHub ✎

(PHP 5, PHP 7, PHP 8, PECL OCI8 >= 1.1.0)

Erases a specified portion of the internal LOB data

Description

OCILob::erase(int|null $offset = null, int|null $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.

Returns the actual number of characters/bytes erased Falseforfailure.

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.