(PHP 5, PHP 7, PHP 8, PECL OCI8 >= 1.1.0)
OCILob::read — Reads part of the large object
Reads length of bytes (BLOB) or characters (CLOB)
from the current position of LOB's internal pointer.
Reading stops when length of bytes have been read for a BLOB,
when length of characters have been read for a CLOB,
or when the end of the large object is reached. Internal pointer of the large object
will be shifted on the amount of bytes/characters read.
lengthThe length of data to read, in bytes (BLOB) or characters (CLOB). Large values will be rounded down to 1 MB.
Returns the contents as a string, 或者在失败时返回 false.
| 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. |