OCI-Lob->seek
(PHP 5, PECL oci8:1.1-1.2.4)
OCI-Lob->seek — Sets the internal pointer of the large object
说明
OCI-Lob
bool seek
( int $offset
[, int $whence
] )
Sets the internal pointer of the large object.
参数
- offset
-
Indicates the amount of bytes, on which internal pointer should be moved from the position, pointed by whence .
- whence
-
May be one of:
- OCI_SEEK_SET - sets the position equal to offset
- OCI_SEEK_CUR - adds offset bytes to the current position
- OCI_SEEK_END - adds offset bytes to the end of large object (use negative value to move to a position before the end of large object)
返回值
如果成功则返回 TRUE，失败则返回 FALSE。
