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Dokumen ini menggunakan Manual laman web PHP Cina Lepaskan
(PHP 5, PECL OCI8 >= 1.1.0)
OCI-Lob::seek — Sets the internal pointer of the large object
$offset
[, int $whence
= OCI_SEEK_SET
] )Sets the internal pointer of the large object.
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)
成功时返回 TRUE
, 或者在失败时返回 FALSE
。
[#1] christopher dot jones at oracle dot com [2008-02-25 16:38:31]
The default value for $whence is OCI_SEEK_SET.