sha1_file
Opis
string sha1_file ( string filename [, bool raw_output] )
Calculates the sha1 hash of filename
using the
US Secure Hash Algorithm 1,
and returns that hash. The hash is a 40-character hexadecimal number.
Parametry
filename
The filename
raw_output
When TRUE, returns the digest in raw binary format with a length of 20. Defaults to FALSE.