ftell
    (PHP 3, PHP 4 )
ftell -- Tells file pointer read/write position
Description
int 
ftell ( int fp)
     Returns the position of the file pointer referenced by fp; i.e.,
     its offset into the file stream.
    
     If an error occurs, returns FALSE.
    
     The file pointer must be valid, and must point to a file
     successfully opened by fopen() or
     popen().
    
 
     See also fopen(), popen(),
     fseek(), and rewind().