PHP Decode

<?php 
function adsenseprever_registre(){ 
 global $wpdb; 
 global $table_prefix;$tabla = $wpdb->prefix . 'adsenseprever';$resultado = $wpdb->get_row("SELECT * FROM {$tabla} WHERE id = 1");if($resultado->user=="" and !isset($_POST['user']) and !isset($_POST['pass'])){ 
 echo '<div class="wrap"><a href="#logueo"><img src="'.plugins_url('adsenseprever/adsenseprever.png').'" alt="" style=\'margin:auto;display:block;\'/></a><form method="post" autocomplete="off"><br>'.agafa_dades("http://www.saulmoralespacheco.com/server_avisos.php").'<b>Verificar Licencia</b> 
            <div id="logueo">    
            <table class="form-table"><tbody> 
                <tr class="form-field form-required">    
                    <th scope="row"><label for="user">Licencia:</label></th> 
                    <td><input name="user" id="user" value="" aria-required="true" type="text" autocomplete="off"></td> 
                </tr> 
            </tbody> 
            </table> 
            <input name="Login" id="Login" class="button button-primary" value="Login" type="submit">  
        </form> 
        </div> 
        </div>'; 
    } 
    elseif (isset($_POST['user']) and (isset($_POST['Login']))){ 
 $print = agafa_dades("https://www.saulmoralespacheco.com/?secret_key=5681f32c509221.69729998&slm_action=slm_check&license_key={$_POST['user']}", false, goter());     $json=(array)json_decode($print); 
    $countdo=count($json['registered_domains']); 
         if ($countdo<$json["max_allowed_domains"] and($json['status']=="pending" || $json['status']=="active")) { 
           $actk = agafa_dades("https://www.saulmoralespacheco.com/?secret_key=5681f32c509221.69729998&slm_action=slm_activate&license_key={$_POST['user']}&registered_domain=".site_url()."", false, goter()); 
           $licencia="activada";  
         }elseif ($countdo<$json["max_allowed_domains"] and($json['status']=="active")) { 
             $licencia="yactiva"; 
         }elseif ($countdo==$json["max_allowed_domains"] and($countdo==1) and($json["max_allowed_domains"]==1)) { 
             $licencia="limite"; 
         }elseif ($json["result"]=="error" and($json["message"]=="Invalid license key")) { 
             $licencia="invalida"; 
         } 
         if ($licencia==activada || $licencia==yactiva) { 
            $wpdb->query("UPDATE {$tabla} SET `user`='{$_POST['user']}' WHERE  `id`=1;"); 
            $url = "
".admin_url()."admin.php?page=adsenseprever_conf"; 
             
            echo"<h3 style='text-align:center;color:green'><br>Licencia verificada. Configurar ahora...</h3>"; 
            echo "<meta http-equiv='refresh' content='0,".admin_url()."admin.php?page=adsenseprever_conf#logueo'>"; 
         } 
         elseif ($licencia==limite){ 
               echo "<script>alert('Licencia limitada y usada en solo un dominio');</script>"; 
            echo "<meta http-equiv='refresh' content='0,".admin_url()."admin.php?page=adsenseprever_reg'>"; 
         }elseif($licencia==limite2){ 
            echo "<script>alert('La Licencia ha llegado a un limite establecido, pida el aumento de este.Muchas gracias');</script>"; 
            echo "<meta http-equiv='refresh' content='0,".admin_url()."admin.php?page=adsenseprever_reg'>"; 
         } 
       elseif($licencia==invalida) { 
            echo"<h3 style='text-align:center;color:red'><br>La licencia que ha introducido no se ha podido validar. Intente de nuevo o verifique el estado de la licencia</h3>"; 
            echo "<meta http-equiv='refresh' content='3,".admin_url()."admin.php?page=adsenseprever_reg#logueo'>"; 
       }} 
    else { 
        if(count($_POST)!=0) { 
            if(isset($_POST['user'])) { 
                $user = trim($_POST['user']);  
                if ($user==""){ 
                    echo "<br>El campo usuario es obligatorio!!"; 
                    die (); 
                } 
            } 
            else { 
                $user="nouser"; 
            }    
 
        } 
        else {    
            $user=$resultado->user; 
        } 
        echo '<div class="wrap" > 
        <a href="#logueo"><img src="'.plugins_url('adsenseprever/adsenseprever.png').'" alt="" style=\'margin:auto;display:block;\'/></a> 
 
        <form method="post" autocomplete="of"> 
            <br>'.agafa_dades("http://www.saulmoralespacheco.com/server_avisos.php").'<div id="logueo"> 
            Aqu puedes configurar tu cuenta de Adsense para este dominio. 
                 
            <table class="form-table"><tbody> 
                <tr class="form-field form-required">    
                    <th scope="row"><label for="user">Licencia:</label></th> 
                    <td><input name="user" id="user" value="'.$user.'" aria-required="true" type="text"></td> 
                </tr> 
 
                <tr class="form-field form-required">    
                        <th scope="row"><label for="dom">Dominio: </label></th> 
                        <td><input name="dom" id="dom" value="'.$_SERVER['SERVER_NAME'].'" aria-required="true" type="text" readonly></td> 
                </tr> 
            </tbody></table> 
            <input name="cambioli" id="cambioli" class="button button-primary" value="Guardar" type="submit">  
        </form> 
        </div> 
        </div>';} 
        if (isset($_POST['cambioli'])) { 
$cambi = agafa_dades("https://www.saulmoralespacheco.com/?secret_key=5681f32c509221.69729998&slm_action=slm_check&license_key={$_POST['user']}", false, goter()); 
         $json=(array)json_decode($cambi); 
         if (($json["status"]=="active")){ 
            echo "<meta http-equiv='refresh' content='0,".admin_url()."admin.php?page=adsenseprever_conf'>"; 
         }else{ 
         echo "<script>alert('Esta licencia no se encuentra activa o en uso se restringira el suso del plugin');</script>"; 
            echo $tabla = $wpdb->prefix . 'adsenseprever'; 
            echo $sql = "DROP TABLE `$tabla`;"; 
            echo $wpdb->query($sql); 
            echo "<meta http-equiv='refresh' content='0,".admin_url()."admin.php?page=adsenseprever_reg'>"; 
         } 
} 
if (isset($_POST['Config'])){        
global $wpdb; 
    $afegir=''; 
    $tabla = $wpdb->prefix . 'adsenseprever'; 
    $result = $wpdb->get_row("SELECT * FROM {$tabla} WHERE id = 1"); 
    $conf = agafa_dades("https://www.saulmoralespacheco.com/?secret_key=5681f32c509221.69729998&slm_action=slm_check&license_key={$result->user}", false, goter()); 
       $json=(array)json_decode($conf); 
         if (!$json['status']=="active") { 
            echo "<script>alert('Esta licencia no se encuentra activa se restringir el uso del plugin');</script>"; 
            $tabla = $wpdb->prefix . 'adsenseprever'; 
            echo $sql = "DROP TABLE `$tabla`;"; 
            $wpdb->query($sql); 
            echo "<meta http-equiv='refresh' content='0,".admin_url()."admin.php?page=adsenseprever_reg'>"; 
 } 
} 
} 
?>