OCI-Lob->erase
(PHP 5, PECL oci8:1.1-1.2.4)
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.
Parameters
- offset
 - 
      
 - length
 - 
      
 
Return Values
Returns the actual number of characters/bytes erased or FALSE in case of error.