If you are using Save() on an update statement, PHP will throw a warning similar to "OCILobWrite: OCI_INVALID_HANDLE..." if your update statement did not catch any rows with its where clause.
OCI-Lob->saveОписаниеclass OCI-Lob {bool save ( string data [, int offset] ) } Saves data to the large object. Parameter offset can be used to indicate offset from the beginning of the large object. Возвращает TRUE в случае успешного завершения или FALSE в случае возникновения ошибки.
OCI-Lob->save
01-Jun-2006 03:23
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OCI-Lob->rewind