sha1_file
(PHP 4 >= 4.3.0, PHP 5, PHP 7, PHP 8)
sha1_file — Calculate the sha1 hash of a file
Description
sha1_file(string
$filename, bool $binary = false): string|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.
-
binary -
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;
}
?>
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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