PHP Decode

<?php 
/** 
 * Created by PhpStorm. 
 * User: Andrew Quaye 
 * Date: 24/08/2018 
 * Time: 7:02 AM 
 */ 
$ref = REF_TOKEN; 
 
function COIN_POT_TOKENS($ref){ 
    echo" 
    <iframe scrolling='no' frameborder='0' src='https://coinpot.co/mine/coinpottokens/?ref={$ref}&mode=widget' style='overflow:hidden;width:324px;height:470px;'></iframe> 
    "; 
} 
 
function BIT_COIN_CORE($ref){ 
    echo" 
    <iframe scrolling='no' frameborder='0' src='https://coinpot.co/mine/bitcoin/?ref={$ref}&mode=widget' style='overflow:hidden;width:324px;height:470px;'></iframe> 
    "; 
} 
 
function BIT_COIN_CASH($ref){ 
    echo" 
    <iframe scrolling='no' frameborder='0' src='https://coinpot.co/mine/bitcoincash/?ref={$ref}&mode=widget' style='overflow:hidden;width:324px;height:470px;'></iframe> 
    "; 
} 
 
function DOG_E_COIN($ref){ 
    echo" 
    <iframe scrolling='no' frameborder='0' src='https://coinpot.co/mine/dogecoin/?ref={$ref}&mode=widget' style='overflow:hidden;width:324px;height:470px;'></iframe> 
    "; 
} 
 
function LITE_COIN($ref){ 
    echo" 
    <iframe scrolling='no' frameborder='0' src='https://coinpot.co/mine/litecoin/?ref={$ref}&mode=widget' style='overflow:hidden;width:324px;height:470px;'></iframe> 
    "; 
} 
 
function DASH($ref){ 
    echo" 
    <iframe scrolling='no' frameborder='0' src='https://coinpot.co/mine/dash/?ref={$ref}&mode=widget' style='overflow:hidden;width:324px;height:470px;'></iframe> 
    "; 
} ?>