International PHP Conference Berlin 2021

OCILob::read

(PHP 5, PHP 7, PHP 8, PECL OCI8 >= 1.1.0)

OCILob::readReads part of the large object

说明

OCILob::read ( int $length ) : string|false

Reads length bytes from the current position of LOB's internal pointer.

Reading stops when length bytes have been read or end of the large object is reached. Internal pointer of the large object will be shifted on the amount of bytes read.

参数

length

The length of data to read, in bytes. Large values will be rounded down to 1 MB.

返回值

Returns the contents as a string, 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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User Contributed Notes 2 notes

up
1
Marcin Matras
7 years ago
To read LOB into variable you can use OCI-Lob::load

<?php
$foo
= $MyBlob->load();
?>
up
-5
alvaro at demogracia dot com
12 years ago
To read the whole LOB into a variable:

<?php
$foo
= $MyBlob->read($MyBlob->size());
?>
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