PHP: sha1_file() function
PHP: Calculate the sha1 hash of a file
The sha1_file() function is used to calculate the sha1 hash (Using US Secure Hash Algorithm 1 ) of a file.
Version:
(PHP 4 and above)
Syntax:
sha1_file (file_name, raw_output)
Parameter:
| Name | Description | Required / Optional |
Type |
|---|---|---|---|
| file_name | The input file name. | Required | String |
| raw_output | If TRUE sets raw 20 characters binary format. If FALSE (default) sets raw 40 character hex number format. | Optional | Boolean |
Return value:
Returns a string on success, FALSE otherwise.
Value Type: String.
Pictorial Presentation
Example:
<?php
$file_handler = 'testvf.txt';
$sha1_file = sha1_file($file_handler);
echo $sha1_file;
?>
Output:
833cd96367d51bb065f486f4b2bd7fe8bcb70996
View the example in the browser
See also
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https://w3resource.com/php/function-reference/sha1_file.php
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