$file->sha1() Returns the sha1 hash of the file Since 3.6.0 kirby/src/Filesystem/File.php#L511 $file->sha1(): string Return type string Parent class Kirby\Filesystem\File Example $hashA = $fileA->sha1(); $hashB = $fileB->sha1(); if ($hashA === $hashB) { echo 'The files are the same'; }