(PHP 5, PHP 7, PHP 8, PECL OCI8 >= 1.1.0)
OCICollection::trim — Trims elements from the end of the collection
$num): bool
   Trims num of elements from the end of the
   collection.
  
numThe number of elements to be trimmed.
   成功时返回 true, 或者在失败时返回 false。
  
| 版本 | 说明 | 
|---|---|
| 8.0.0, PECL OCI8 3.0.0 | The OCI-Collection class was renamed to OCICollection to align with PHP naming standards. |