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sha1_file

Description

Calculate the sha1 hash of a file

Syntax

sha1_file(string $filename, bool $binary = false): string|false

Parameters

filename

The filename of the file to hash.

binary

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

Return

Returns a string on success, false otherwise.

Examples

1 · filename

<?

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

$return = sha1_file($filename);

echo $return;

?>
f7ff9e8b7bb2e09b70935a5d785e0cc5d9d0abf0

2 · binary

<?

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

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

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

echo $array_pop;

?>
f7ff9e8b7bb2e09b70935a5d785e0cc5d9d0abf0
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