(PHP 5, PHP 7, PHP 8, PECL OCI8 >= 1.1.0)
OCILob::read — Reads part of the large object
$length): string|false
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. |