sha1_file
(PHP 4 >= 4.3.0, PHP 5, PECL hash:1.1-1.3)
sha1_file — Calculate the sha1 hash of a file
Description
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.
Parameters
-
filename
-
The filename
-
raw_output
-
When TRUE, returns the digest in raw binary format with a length of
20. Defaults to FALSE.
Return Values
Returns a string on success, FALSE otherwise.