PHP Manual
后退前进

collection->trim

(no version information, might be only in CVS)

collection->trim -- Trims elements from the end of the collection

Description

bool collection->trim ( int num)

Trims num of elements from the end of the collection.

如果成功则返回 TRUE，失败则返回 FALSE。

See also oci_collection_size().

后退起点前进
collection->size上一级oci_commit