PHP 忒聊 綴豖 ヶ輛 pg_lo_seek (PHP 4 = 4.2.0) 佽隴 pg_lo_seek() 婓湮倰勤砓訧埭笢痄雄硌渀弇离﹝whence 統杅峈 PGSQL_SEEK_SETㄛPGSQL_SEEK_CUR 麼 PGSQL_SEEK_END﹝ 統獗 pg_lo_tell()﹝ 綴豖 れ萸 ヶ輛 pg_lo_read 奻珨撰 pg_lo_tell