PHP Decode

<?php  
session_start();  
if (!isset($_SESSION["u"])) {  
    header("Location: ./login.php");  
} else {  
    require "../connection.php";  
    $ranaviruNo7 = $_POST["ranaviruNo7"];  
    $medicalBoardRecommendation = $_POST["medicalBoardRecommendation"];  
    $dateGivenMedicalBoardRecomentaion = $_POST["dateGivenMedicalBoardRecomentaion"];  
    $percentageofEarningCapacity = $_POST["percentageofEarningCapacity"];  
    $rVSAMedicalAmount = $_POST["rVSAMedicalAmount"];  
    $aAmount=$_POST["aAmount"];  
    $bAmount=$_POST["bAmount"];  
    $cAmount=$_POST["cAmount"];  
    $dAmount=$_POST["dAmount"];  
 
    $pd1 = Database::search("SELECT * FROM `officer_personal_detials` WHERE `ranviruno`='" . $ranaviruNo7 . "' ");  
    $rs2 = $pd1->num_rows;  
    if (empty($ranaviruNo7)) {  
        echo "*Please Enter Ranaviru No";  
    } else {  
        if ($rs2 == 0) {  
            echo "*Wrong Ranaviru number or this Ranaviru number is not registered. Please try again.";  
        } else {  
            if (empty($medicalBoardRecommendation)) {  
                echo "*Please Enter Medical board Recommendation";  
            } else {  
                if (empty($dateGivenMedicalBoardRecomentaion)) {  
                    echo "*Please Enter Date given Medical Board Recomentaion";  
                } else {  
                    if (empty($percentageofEarningCapacity)) {  
                        echo "*Please Percentage of Earning Capacity";  
                    } else {  
                        if (empty($rVSAMedicalAmount)) {  
                            echo "*Please RVSA Medical Amount";  
                        } else {  
                            Database::iud("INSERT INTO `medical_details`  
        (`RanviruNO`,`MBRecomend`,`DMBRecoment`,`PEarningCapacity`,`RVSAMdicalAmount`,`	Resonforthemedicalboard`,`Dateappeartoomedical`,`Decisiongivenbyboard`,`NextBoardappeardate`) VALUES  
        ('" . $ranaviruNo7 . "','" . $medicalBoardRecommendation . "','" . $dateGivenMedicalBoardRecomentaion . "','" . $percentageofEarningCapacity . "','" . $rVSAMedicalAmount . "','" . $aAmount . "','" . $bAmount . "','" . $cAmount . "','" . $dAmount . "')");  
                            echo "success";  
                        }  
                    }  
                }  
            }  
        }  
    }  
}  
 ?>