Decode 64 hexadecimal characters APNS token to 32bit

gistfile1.txt

		function base64_decode_apns_token($token) {
			$a = unpack("H*hex", base64_decode($token));
			$b = str_split($a["hex"], 8);
			$output = "";

			foreach ($b as $current) {
				$output .= "$current";
			}

			return trim($output);
		}