ibase_blob_cancel
Description
bool ibase_blob_cancel ( resource blob_handle )This function will discard a BLOB created by ibase_create_blob() if it has not yet been closed by ibase_blob_close(). 若果成功則返回 TRUE，失敗則返回 FALSE。
See also ibase_blob_close(), ibase_blob_create() and ibase_blob_import().