/**
* Get a SHA-1 hash of a file in the local filesystem, in base-36 lower case
* encoding, zero padded to 31 digits.
*
* 160 log 2 / log 36 = 30.95, so the 160-bit hash fills 31 digits in base 36
* fairly neatly.
*
* @param string $path
* @return bool|string False on failure
*/
public static function getSha1Base36FromPath($path)
{
$fsFile = new self($path);
return $fsFile->getSha1Base36();
}
/**
* Get a SHA-1 hash of a file in the local filesystem, in base-36 lower case
* encoding, zero padded to 31 digits.
*
* 160 log 2 / log 36 = 30.95, so the 160-bit hash fills 31 digits in base 36
* fairly neatly.
*
* @param $path string
* @param $recache bool
*
* @return bool|string False on failure
*/
public static function getSha1Base36FromPath($path, $recache = false)
{
static $sha1Base36 = array();
if (!isset($sha1Base36[$path]) || $recache) {
$fsFile = new self($path);
$sha1Base36[$path] = $fsFile->getSha1Base36();
}
return $sha1Base36[$path];
}
