OCILob::seek
(PHP 5, PHP 7, PHP 8, PECL OCI8 >= 1.1.0)
OCILob::seek — Sets the internal pointer of the large object
说明
public OCILob::seek(int
$offset, int $whence = OCI_SEEK_SET): boolSets 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 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)
-
返回值
成功时返回 true， 或者在失败时返回 false。
更新日志
| 版本 | 说明 |
|---|---|
| 8.0.0, PECL OCI8 3.0.0 | The OCI-Lob class was renamed to OCILob to align with PHP naming standards. |
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