Calculate the sha1 hash of a string
Syntax
sha1 ( string $str [, bool $raw_output = FALSE ] ) : string
Parameters
str
The input string.
raw_output
If the optional raw_output is set to TRUE, then the sha1 digest is instead returned in raw binary format with a length of 20, otherwise the returned value is a 40-character hexadecimal number.
Return
Returns the sha1 hash as a string.
Examples
str
<? $str = 'Hello'; $return = sha1($str); echo $return; ?>
f7ff9e8b7bb2e09b70935a5d785e0cc5d9d0abf0
raw_output
<?
$str = 'Hello';
$raw_output = true;
$return = sha1($str, $raw_output);
$unpack = unpack('H*', $return);
$array_pop = array_pop($unpack);
echo $array_pop;
?>
f7ff9e8b7bb2e09b70935a5d785e0cc5d9d0abf0
