PHP Dokumentation: Function oci-lob-erase
12. Januar 2010 von werner
OCI-Lob->erase
(PHP 5, PECL OCI8 >= 1.1.0)
OCI-Lob->erase — Erases a specified portion of the internal LOB data
Beschreibung
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.
Parameter-Liste
- offset
- length
Rückgabewerte
Returns the actual number of characters/bytes erased Im Fehlerfall wird FALSE zurückgegeben..