Note that rewind($fd) is exactly the same as fseek($fd, 0, SEEK_SET)
rewind() just moves the location inside the file to the beginning, nothing more. Check if your stream is "seekable" before planning to use fseek/rewind.
Note that rewind($fd) is exactly the same as fseek($fd, 0, SEEK_SET)
rewind() just moves the location inside the file to the beginning, nothing more. Check if your stream is "seekable" before planning to use fseek/rewind.