(PHP 4 >= 4.3.0, PHP 5, PHP 7, PHP 8)
sha1_file — Calculate the sha1 hash of a file
$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.
filenameThe filename of the file to hash.
binary
When true, returns the digest in raw binary format with a length of
20.
Returns a string on success, false otherwise.
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;
}
?>