if (isset($_SESSION['selectedUsername'])) {
         $selectedUsername = $_SESSION['selectedUsername'];
         if ($_FILES["cvFile"]["type"] == "application/pdf") {
             if ($_FILES["cvFile"]["error"] > 0) {
                 $error = "Return Code: " . $_FILES["cvFile"]["error"] . "<br />";
             } else {
                 $uploadedFileName = $_FILES["cvFile"]["name"];
                 $fileExt = end(explode(".", $uploadedFileName));
                 $fileName = $selectedUsername . "." . $fileExt;
                 $finalFilePath = "user_cvs/" . $fileName;
                 if (hasCVUploadedOnce($selectedUsername)) {
                     $cvFilePath = getCVPathByUsername($selectedUsername);
                     unlink($cvFilePath);
                 }
                 move_uploaded_file($_FILES["cvFile"]["tmp_name"], $finalFilePath);
                 manageCV($selectedUsername, $finalFilePath);
                 $cvFilePath = getCVPathByUsername($selectedUsername);
             }
         } else {
             $error = "Only .pdf file type is allowed";
         }
     } else {
         $error = "Select a user first";
     }
 }
 if (isset($_POST['deleteCVFormSubmit'])) {
     if (isset($_SESSION['selectedUsername'])) {
         $selectedUsername = $_SESSION['selectedUsername'];
         if (hasCVUploadedOnce($selectedUsername)) {
             $cvFilePath = getCVPathByUsername($selectedUsername);
             unlink($cvFilePath);
 $isUserAdminValue = isUserAdmin($username);
 if (isset($_POST['cvUploadSubmit'])) {
     if ($_FILES["cvFile"]["type"] == "application/pdf") {
         if ($_FILES["cvFile"]["error"] > 0) {
             $error = "Return Code: " . $_FILES["cvFile"]["error"] . "<br />";
         } else {
             $uploadedFileName = $_FILES["cvFile"]["name"];
             $fileExt = end(explode(".", $uploadedFileName));
             $fileName = $username . "." . $fileExt;
             $finalFilePath = "user_cvs/" . $fileName;
             if (hasCVUploadedOnce($username)) {
                 $cvFilePath = getCVPathByUsername($username);
                 unlink($cvFilePath);
             }
             move_uploaded_file($_FILES["cvFile"]["tmp_name"], $finalFilePath);
             manageCV($username, $finalFilePath);
             $cvFilePath = getCVPathByUsername($username);
         }
     } else {
         $error = "Only .pdf file type is allowed";
     }
 }
 if (isset($_POST['deleteCVFormSubmit'])) {
     if (hasCVUploadedOnce($username)) {
         $cvFilePath = getCVPathByUsername($username);
         unlink($cvFilePath);
         deleteCVPath($username);
         $cvFilePath = getCVPathByUsername($username);
         $isDeleteSuccess = true;
     } else {
         $isDeleteSuccess = false;