OCI-Lob::erase

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

OCI-Lob::erase — Erases a specified portion of the internal LOB data

Beschreibung

OCI-Lob::erase ([ int $offset [, int $length ]] ) : int

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.

Parameter-Liste

offset

length

Rückgabewerte

Returns the actual number of characters/bytes erased Im Fehlerfall wird FALSE zurückgegeben..

Siehe auch