The default value for $whence is OCI_SEEK_SET.
OCI-Lob::seek
(PHP 5, PECL OCI8 >= 1.1.0)
OCI-Lob::seek — Sets the internal pointer of the large object
說明
bool OCI-Lob::seek
( int
$offset
[, int $whence = OCI_SEEK_SET
] )Sets the internal pointer of the large object.
參數
-
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 tooffset -
OCI_SEEK_CUR- addsoffsetbytes to the current position -
OCI_SEEK_END- addsoffsetbytes to the end of large object (use negative value to move to a position before the end of large object)
-
回傳值
如果成功則回傳 TRUE，失敗則回傳 FALSE。
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User Contributed Notes 1 note
christopher dot jones at oracle dot com ¶
16 years ago
