(PHP 5, PECL OCI8 >= 1.1.0)
OCI-Lob::free — Frees resources associated with the LOB descriptor
Frees resources associated with the descriptor, previously allocated with oci_new_descriptor().
成功时返回 TRUE， 或者在失败时返回 FALSE。
sixd at php dot net (2008-10-23 16:56:25)
Use this to free the "temporary lobs" that get created when a query returns a LOB descriptor. See ext/oci8/tests/bug43497.phpt for more information.