sha1_file

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Calculate the sha1 hash of a file

sha1_file ( string $filename [, bool $raw_output = FALSE ] ) : string

filename

The filename of the file to hash.

raw_output

When TRUE, returns the digest in raw binary format with a length of 20.

Returns a string on success, FALSE otherwise.

<?

$filename = $_SERVER['DOCUMENT_ROOT'] . '/assets/txt/file.txt';

$return = sha1_file($filename);

echo $return;

?>

f7ff9e8b7bb2e09b70935a5d785e0cc5d9d0abf0

<?

$filename = $_SERVER['DOCUMENT_ROOT'] . '/assets/txt/file.txt';
$raw_output = true;

$return = sha1_file($filename, $raw_output);

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

echo $array_pop;

?>

f7ff9e8b7bb2e09b70935a5d785e0cc5d9d0abf0

PHP