- sha1: documentation ( source)
<?php
$sha ='OaA6kEnpfZvZ9xwke1nqw7FkgNYDhWw_yVt2McUxhL_lFcaa_se-5pNs5LxpGhUfe5-esZGemRgBrPTdbgnB0VFAILkWnmLITV6vqGa5hNsGdu40x0fTPU8zJS-AJ8OQBPsNFQ9XVfxaGGf2mBtlKKweAxNPnB6u29Rqcu9cfw';
$hash1 = sha1($sha);
$hash2 = sha1($sha);
echo $hash1 . "\t";
echo $hash2 . "\t";