Script to decode 64base encoded query string to a object for database insert

encoded.php

<?php

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?>

<?php
#strings for testing 
$url = "www.memberadvantage.com.au/activate?g=83&mshipNo=123456&Firstname=Sarah&Lastname=Brook&Email=sBrook@memberadvantage.com.au";
$url2 ="g=83&mshipNo=123456&Firstname=Sarah&Lastname=Skirgård&Email=sBrook@memberadvantage.com.au";
$encoded_s= "Zz04MyZtc2hpcE5vPTEyMzQ1NiZGaXJzdG5hbWU9U2FyYWgmTGFzdG5hbWU9U2tpcmfDg8KlcmQmRW1haWw9c0Jyb29rQG1lbWJlcmFkdmFudGFnZS5jb20uYXU";
        
        
$queryString[] = $_GET ;

#This function encode string to base64 and removes special chars in encoded string  
function base64url_encode($data) { 
  return rtrim(strtr(base64_encode($data), '+/', '-_'), '='); 
  //echo (base64_encode($data)).'<br>raw';
} 

#This function decode  encoded string data using above function 
function base64url_decode($data) { 
  return base64_decode(str_pad(strtr($data, '-_', '+/'), strlen($data) % 4, '=', STR_PAD_RIGHT)); 
} 



$encoded_string = base64url_encode($url2);

//echo 'encoded : '.$encoded_string.'<br>'; 

foreach ($queryString[0] as $key => $value) {
    
 $encoded_string =$key;    
}

//var_dump($key);



$decoded_string = base64url_decode($encoded_string);

//echo '<br> decoded :'.$decoded_string;

//$pieces = explode("&", $decoded_string);
$pieces = preg_split("/&/", $decoded_string);




//var_dump($pieces);
$object = new stdClass();

$exlploded_array = Array();

foreach ($pieces as $key =>$value) {
    
  $pieces_two = preg_split("/=/", $value);
  
  //var_dump($pieces_two[0]);
  
  $exlploded_array[$pieces_two[0]] =$pieces_two[1];
  
 //var_dump($exlploded_array);
  
}


$exploded_array_object = (object)$exlploded_array;

var_dump ($exploded_array_object);
//echo $encoded_string;


//accessing the object 
echo '<br>Group: '.$exploded_array_object->g .'<br>';
echo 'mshipNo: '.$exploded_array_object->mshipNo .'<br>';
echo 'Firstname: '.$exploded_array_object->Firstname .'<br>';
echo 'Lastname: '.$exploded_array_object->Lastname .'<br>';
echo 'Email: '.$exploded_array_object->Email .'<br>';





?>