sha1_file
sha1_file
(PHP 4 >= 4.3.0, PHP 5, PHP 7)
sha1_file — Calculate the sha1 hash of a file
Description
string sha1_file ( string $filename [, bool $raw_output = false ] )
Calculates the sha1 hash of the file specified by filename
using the » US Secure Hash Algorithm 1, and returns that hash. The hash is a 40-character hexadecimal number.
Parameters
-
filename
-
The filename of the file to hash.
-
raw_output
-
When
TRUE
, returns the digest in raw binary format with a length of 20.
Return Values
Returns a string on success, FALSE
otherwise.
Examples
Example #1 sha1_file() example
<?php foreach(glob('/home/Kalle/myproject/*.php') as $ent) { if(is_dir($ent)) { continue; } echo $ent . ' (SHA1: ' . sha1_file($ent) . ')', PHP_EOL; } ?>
Changelog
Version | Description |
---|---|
5.1.0 | Changed the function to use the streams API. It means that you can use it with wrappers, like sha1_file('http://example.com/..') |
See Also
- sha1() - Calculate the sha1 hash of a string
- md5_file() - Calculates the md5 hash of a given file
- crc32() - Calculates the crc32 polynomial of a string
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Licensed under the Creative Commons Attribution License v3.0 or later.
https://secure.php.net/manual/en/function.sha1-file.php