my_function.php

<?php
function getIP() {
   if(isset($_SERVER['HTTP_X_REAL_IP'])) return $_SERVER['HTTP_X_REAL_IP'];
   return $_SERVER['REMOTE_ADDR'];
}

if (!function_exists('json_encode')) {  
    function json_encode($value) 
    {
        if (is_int($value)) {
            return (string)$value;   
        } elseif (is_string($value)) {
	        $value = str_replace(array('\\', '/', '"', "\r", "\n", "\b", "\f", "\t"), 
	                             array('\\\\', '\/', '\"', '\r', '\n', '\b', '\f', '\t'), $value);
	        $convmap = array(0x80, 0xFFFF, 0, 0xFFFF);
	        $result = "";
	        for ($i = mb_strlen($value) - 1; $i >= 0; $i--) {
	            $mb_char = mb_substr($value, $i, 1);
	            if (mb_ereg("&#(\\d+);", mb_encode_numericentity($mb_char, $convmap, "UTF-8"), $match)) {
	                $result = sprintf("\\u%04x", $match[1]) . $result;
	            } else {
	                $result = $mb_char . $result;
	            }
	        }
	        return '"' . $result . '"';                
        } elseif (is_float($value)) {
            return str_replace(",", ".", $value);         
        } elseif (is_null($value)) {
            return 'null';
        } elseif (is_bool($value)) {
            return $value ? 'true' : 'false';
        } elseif (is_array($value)) {
            $with_keys = false;
            $n = count($value);
            for ($i = 0, reset($value); $i < $n; $i++, next($value)) {
                        if (key($value) !== $i) {
			      $with_keys = true;
			      break;
                        }
            }
        } elseif (is_object($value)) {
            $with_keys = true;
        } else {
            return '';
        }
        $result = array();
        if ($with_keys) {
            foreach ($value as $key => $v) {
                $result[] = json_encode((string)$key) . ':' . json_encode($v);    
            }
            return '{' . implode(',', $result) . '}';                
        } else {
            foreach ($value as $key => $v) {
                $result[] = json_encode($v);    
            }
            return '[' . implode(',', $result) . ']';
        }
    } 
}

/*Login through munchkin main page into forum*/

class ForumAuthClass
{
	public $username = "";
	public $userpass = "";

	function __construct()
	{
		/* There is nothing to do */
	}
	
	function login()
	{
		$cookieexptime = 108000 + time();
		if($this->userpass!='') $this->userpass=md5($this->userpass);
		setcookie("miniBBforums", $this->username.'|'.$this->userpass.'|'.$cookieexptime, $cookieexptime, "", "", false);
	}
	
	function unlogin()
	{
		setcookie("miniBBforums", '', (time()-2592000), "", "", false);
	}
}

?>