sha1_file
PHP function
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(PHP 4 >= 4.3.0, PHP 5, PHP 7, PHP 8)
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
filenameThe filename of the file to hash.
binaryWhen true, returns the digest in raw binary format with a length of 20.
Return Values
Returns a string on success, false otherwise.
Examples
sha1_file() example
php
<?php
foreach (glob('/examples/*.xml') as $ent)
{
if (is_dir($ent)) {
continue;
}
echo $ent . ' (SHA1: ' . sha1_file($ent) . ')', PHP_EOL;
}
?>