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  $arr = GetTx($client,$myAddress);
  $RawTx = $client->getrawtransaction($arr,1);
  $pieces = explode(" ", $RawTx["vin"][0]["scriptSig"]["asm"]);
  $myHash = hash('ripemd160',hash('sha256',$pieces[1]));
  $myHashStr = chr(0x00).$myHash;
  $myHash2 = hash('sha256',hash('sha256',$myHashStr));
  $myHashStr.=substr($myHash2,0,4);
  echo "Hash:".$myHashStr."<br>";
  echo "Base58:".base58_encode($myHashStr)."<br>";

function base58_encode($num) {
    $alphabet = '123456789abcdefghijkmnopqrstuvwxyzABCDEFGHJKLMNPQRSTUVWXYZ';
    $base_count = strlen($alphabet);
    $encoded = '';
    while ($num >= $base_count) {
        $div = $num / $base_count;
        $mod = ($num - ($base_count * intval($div)));
        $encoded = $alphabet[$mod] . $encoded;
        $num = intval($div);
    }
    if ($num) {$encoded = $alphabet[$num] . $encoded;}
    return $encoded;
}