PHP 忒聊 綴豖 ヶ輛 dio_seek (PHP 4 = 4.2.0) Description The function dio_seek() is used to change the file position of the file with descriptor resource. The parameter whence specifies how the position pos should be interpreted: SEEK_SET - specifies that pos is specified from the beginning of the file SEEK_CUR - Specifies that pos is a count of characters from the current file position. This count may be positive or negative SEEK_END - Specifies that pos is a count of characters from the end of the file. A negative count specifies a position within the current extent of the file; a positive count specifies a position past the current end. If you set the position past the current end, and actually write data, you will extend the file with zeros up to that position 綴豖 れ萸 ヶ輛 dio_read 奻珨撰 dio_stat