function getPersona($id_persona)
 {
     $con = new Database();
     $con->Query("select nombre,paterno,materno,curp,fecha_nacimiento from personas where id_persona=" . $id_persona);
     $nombe = "";
     $paterno = "";
     $materno = "";
     $curp = "";
     $fecha = "";
     while ($fila = $con->nextRow()) {
         $fecha = strtotime($fila['fecha_nacimiento']);
         $paterno = $fila['paterno'];
         $materno = $fila['materno'];
         $nombre = $fila['nombre'];
         $curp = $fila['curp'];
         $fecha = date('d-m-Y', $fecha);
     }
     $array = array("nombre" => $nombre, "paterno" => $paterno, "materno" => $materno, "curp" => $curp, "fecha" => $fecha);
     return $array;
 }
<?php

session_start();
if (empty($_SESSION["sqPLD"])) {
    header("Location: ../");
}
include_once "../model/mConexion.php";
$con = new Database();
$con->Query("select nombre,paterno,materno from personas where id_persona=" . $_GET['id']);
$persona = "";
while ($fila = $con->nextRow()) {
    $persona = $fila['paterno'] . " " . $fila['materno'] . " " . $fila['nombre'];
}
?>
<!DOCTYPE html>
<html>
<head>
    <meta http-equiv="content-type" content="text/html;charset=UTF-8" />
    <meta charset="utf-8" />
    <title>Sistema de Cartera - PLD | Emprever</title>
    <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no" />
    <meta content="" name="description" />
    <meta content="" name="author" />
    <!-- BEGIN PLUGIN CSS -->
    <link href="../assets/plugins/pace/pace-theme-flash.css" rel="stylesheet" type="text/css" />
    <link href="../assets/plugins/jquery-datatable/css/jquery.dataTables.css" rel="stylesheet" type="text/css" />
    <link href="../assets/plugins/datatables-responsive/css/datatables.responsive.css" rel="stylesheet" type="text/css" />
    <!-- END PLUGIN CSS -->
    <!-- BEGIN CORE CSS FRAMEWORK -->
    <link href="../assets/plugins/pace/pace-theme-flash.css" rel="stylesheet" type="text/css" media="screen"/>
    <link href="../assets/plugins/bootstrap-select2/select2.css" rel="stylesheet" type="text/css" media="screen"/>