(PHP 4 >= 4.2.0, PHP 5, PHP 7)
pg_lo_seek — 锟狡讹拷锟斤拷锟酵讹拷锟斤拷锟叫碉拷指锟斤拷
$large_object
, int $offset
[, int $whence
] ) : bool
pg_lo_seek() 锟节达拷锟酵讹拷锟斤拷锟斤拷源锟斤拷锟狡讹拷指锟斤拷位锟矫★拷whence 锟斤拷锟斤拷为 PGSQL_SEEK_SET锟斤拷PGSQL_SEEK_CUR 锟斤拷 PGSQL_SEEK_END锟斤拷
锟轿硷拷 pg_lo_tell()锟斤拷