略微加速

PHP官方手册 - 互联网笔记

PHP - Manual: OCI-Lob::seek

2024-04-26

OCI-Lob::seek

(PHP 5, PHP 7, PECL OCI8 >= 1.1.0)

OCI-Lob::seekSets the internal pointer of the large object

说明

OCI-Lob::seek ( int $offset [, int $whence = OCI_SEEK_SET ] ) : bool

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

成功时返回 TRUE, 或者在失败时返回 FALSE

add a note add a note

User Contributed Notes 1 note

up
1
christopher dot jones at oracle dot com
11 years ago
The default value for $whence is OCI_SEEK_SET.

官方地址:https://www.php.net/manual/en/oci-lob.seek.php

北京半月雨文化科技有限公司.版权所有 京ICP备12026184号-3