Php/docs/class.OCI-Lob

• PHP Manual
• OCI8
• The OCILob class

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

简介

OCI8 LOB functionality for large binary (BLOB) and character (CLOB) objects.

Note:

The OCI-Lob class was renamed to OCILob in PHP 8 and PECL OCI8 3.0.0 to align with PHP naming standards.

类摘要

OCILob {

/* 方法 */

append ( OCILob $lob_from ) : bool

close ( ) : bool

eof ( ) : bool

erase ([ int $offset [, int $length ]] ) : int|false

export ( string $filename [, int $start [, int $length ]] ) : bool

flush ([ int $flag ] ) : bool

free ( ) : bool

getBuffering ( ) : bool

import ( string $filename ) : bool

load ( ) : string

read ( int $length ) : string|false

rewind ( ) : bool

save ( string $data [, int $offset ] ) : bool

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

setBuffering ( bool $on_off ) : bool

size ( ) : int|false

tell ( ) : int

Lob::truncate ([ int $length = 0 ] ) : bool

write ( string $data [, int $length ] ) : int|false

writeTemporary ( string $data [, int $lob_type = OCI_TEMP_CLOB ] ) : bool

}

Table of Contents

• OCILob::append — Appends data from the large object to another large object
• OCILob::close — Closes LOB descriptor
• OCILob::eof — Tests for end-of-file on a large object's descriptor
• OCILob::erase — Erases a specified portion of the internal LOB data
• OCILob::export — Exports LOB's contents to a file
• OCILob::flush — Flushes/writes buffer of the LOB to the server
• OCILob::free — Frees resources associated with the LOB descriptor
• OCILob::getBuffering — Returns current state of buffering for the large object
• OCILob::import — Imports file data to the LOB
• OCILob::load — Returns large object's contents
• OCILob::read — Reads part of the large object
• OCILob::rewind — Moves the internal pointer to the beginning of the large object
• OCILob::save — Saves data to the large object
• OCILob::saveFile — 别名 OCILob::import
• OCILob::seek — Sets the internal pointer of the large object
• OCILob::setBuffering — Changes current state of buffering for the large object
• OCILob::size — Returns size of large object
• OCILob::tell — Returns the current position of internal pointer of large object
• OCILob::truncate — Truncates large object
• OCILob::write — Writes data to the large object
• OCILob::writeTemporary — Writes a temporary large object
• OCILob::writeToFile — 别名 OCILob::export