( resource handle, int size )
Takes the filepointer, handle, and truncates the file to
length, size. Returns TRUE on success or FALSE on failure.
The file pointer is changed only in append mode. In
write mode, additional fseek()
call is needed.
Prior to PHP 4.3.3, ftruncate() returns an
integer value of 1 on success, instead of
See also fopen() and