PHP Decode

<?php 
 
include 'config/db.php'; 
 
$data = $_POST; 
if (isset($data['go_button']) ) 
{ 
	$errors = array(); 
    if (trim($data['login']) == '') 
    { 
		$errors[] = ',   .'; 
	} 
 
	if (trim($data['email']) == '') 
	{ 
		$errors[] = ',   email.'; 
	} 
 
	if ($data['password'] == '') 
	{ 
		$errors[] = ',   .'; 
	} 
 
	if ($data['password_2'] != $data['password']) 
	{ 
		$errors[] = ',    .'; 
	} 
 
	if (trim($data['day']) == 'day') 
	{ 
		$errors[] = ',   . ()'; 
	} 
 
	if (trim($data['month']) == 'month') 
	{ 
		$errors[] = ',   . ()'; 
	} 
 
	if (trim($data['year']) == 'year') 
	{ 
		$errors[] = ',   . ()'; 
    } 
 
	 	$login = $_POST['login']; 
 
   		$result = mysqli_query($Connection, "SELECT id FROM users WHERE login = '$login'"); 
  		$myrow = mysqli_fetch_array($result); 
    if (!empty($myrow['id'])) 
    { 
    	$errors[] = '    !'; 
    } 
 
  		$email = $_POST['email']; 
 
   		$result = mysqli_query($Connection, "SELECT id FROM users WHERE email = '$email'"); 
   		$myrow = mysqli_fetch_array($result); 
   	if (!empty($myrow['id'])) 
   	{ 
    		$errors[] = '  email  !'; 
   	} 
 
	if (empty($errors) ) 
  	{ 
    	 
    	$login    = $_POST['login']; 
    	$email    = $_POST['email']; 
    	$password = md5(md5(trim($_POST['password']))); 
    	$day      = $_POST['day']; 
    	$month 	  = $_POST['month']; 
    	$year     = $_POST['year']; 
    	$sex      = $_POST['sex']; 
 
    	$query = mysqli_query($Connection, "INSERT INTO `users` (`login`, `email`, `password`, `day`, `month`, `year`, `sex`) VALUES ('$login', '$email', '$password', '$day', '$month', '$year', '$sex')"); 
 
    	$message_true = ' 
  		<div class="notify_true"> 
		<a href="#" class="close_true">&times;</a> 
		<div class="title_true"></div> 
		<div class="text_true">  </div> 
		</div>'; 
  	}else 
  	{ 
  		$message_false = ' 
  		<div class="notify"> 
		<a href="#" class="close">&times;</a> 
		<div class="title"></div> 
		<div class="text">'.array_shift($errors).'</div> 
		</div>'; 
  	} 
} 
?>