Current File : //opt/cpanel/ea-wappspector/vendor/rector/rector/src/Util/FileHasher.php
<?php
declare (strict_types=1);
namespace Rector\Util;
use Rector\Exception\ShouldNotHappenException;
/**
* @see \Rector\Tests\Util\FileHasherTest
*/
final class FileHasher
{
/**
* cryptographic insecure hasing of a string
*/
public function hash(string $string) : string
{
return \hash($this->getAlgo(), $string);
}
/**
* cryptographic insecure hasing of files
*
* @param string[] $files
*/
public function hashFiles(array $files) : string
{
$configHash = '';
$algo = $this->getAlgo();
foreach ($files as $file) {
$hash = \hash_file($algo, $file);
if ($hash === \false) {
throw new ShouldNotHappenException(\sprintf('File %s is not readable', $file));
}
$configHash .= $hash;
}
return $configHash;
}
private function getAlgo() : string
{
//see https://php.watch/articles/php-hash-benchmark
if (\PHP_VERSION_ID >= 80100) {
// if xxh128 is available use it, as it is way faster
return 'xxh128';
}
return 'md4';
}
}
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