OCI-Lob
PHP Manual

OCI-Lob::read

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

OCI-Lob::readReads part of the large object

说明

string OCI-Lob::read ( int $length )

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.

参见


OCI-Lob
PHP Manual