sha1

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Calculate the sha1 hash of a string

sha1 ( string $str [, bool $raw_output = FALSE ] ) : string

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.

Returns the sha1 hash as a string.

<?

$str = 'Hello';

$return = sha1($str);

echo $return;

?>

f7ff9e8b7bb2e09b70935a5d785e0cc5d9d0abf0

<?

$str = 'Hello';
$raw_output = true;

$return = sha1($str, $raw_output);

$unpack = unpack('H*', $return);
$array_pop = array_pop($unpack);

echo $array_pop;

?>

f7ff9e8b7bb2e09b70935a5d785e0cc5d9d0abf0

PHP