function encodeBase58($hex)
{
if (strlen($hex) % 2 != 0) {
die("encodeBase58: uneven number of hex characters");
}
$orighex = $hex;
$chars = "123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz";
$hex = decodeHex($hex);
$return = "";
while (bccomp($hex, 0) == 1) {
$dv = (string) bcdiv($hex, "58", 0);
$rem = (int) bcmod($hex, "58");
$hex = $dv;
$return = $return . $chars[$rem];
}
$return = strrev($return);
//leading zeros
for ($i = 0; $i < strlen($orighex) && substr($orighex, $i, 2) == "00"; $i += 2) {
$return = "1" . $return;
}
return $return;
}
function encodeBase58($hex)
{
$base58chars = "123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz";
if (strlen($hex) % 2 != 0) {
die("encodeBase58: uneven number of hex characters");
}
$orighex = $hex;
$hex = decodeHex($hex);
$return = "";
while (gmp_cmp($hex, 0) > 0) {
$dv = gmp_strval(gmp_div_q($hex, "58", 0));
$rem = gmp_strval(gmp_mod($hex, "58"));
$hex = $dv;
$return = $return . $base58chars[$rem];
}
$return = strrev($return);
for ($i = 0; $i < strlen($orighex) && substr($orighex, $i, 2) == "00"; $i += 2) {
$return = "1" . $return;
}
return $return;
}