$personas = new Personas();
            $personas->listaPersonas("");
            break;
        case 'getCurp':
            $personas = new Personas();
            $array = array("respuesta" => $personas->getCURP($_POST['curp']));
            echo json_encode($array);
            break;
        case 'getTodasPersonas':
            $personas = new Personas();
            $personas->getTodasPersonas();
            break;
        case 'getDatos':
            //regresa los datos de una persona
            $personas = new Personas();
            $datos = $personas->getPersona($_POST['id_persona']);
            echo json_encode($datos);
            break;
        case 'setSelect':
            $personas = new Personas();
            $personas->listaPersonas($_POST['id_persona']);
        default:
        case 'updatePersona':
            $personas = new Personas();
            $personas->updatePersonas($_POST['id_persona'], $_POST['nombre'], $_POST['paterno'], $_POST['materno']);
            $array = array("respuesta" => 1, "mensaje" => "Guardado con exito");
            echo json_encode($array);
        default:
            break;
    }
}
<?php

header('Content-Type: text/html; charset=utf-8');
session_start();
if (empty($_SESSION["sqPLD"])) {
    header("Location: ../");
}
include_once "../model/mPersonas.php";
$personas = new Personas();
$datos = $personas->getPersona($_GET['id_persona']);
?>
<!DOCTYPE html>
<html>
    <head>
        <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1" />
        <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 rel="icon" type="image/png" href="../logo.png" />
        <link href="../assets/plugins/pace/pace-theme-flash.css" rel="stylesheet" type="text/css" media="screen"/>
        <link href="../assets/plugins/jquery-notifications/css/messenger.css" rel="stylesheet" type="text/css" media="screen"/>
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        <!-- BELOW CSS FILE IS NOT REQUIRED -->
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        <!-- END PLUGIN CSS -->
        <!-- BEGIN CORE CSS FRAMEWORK -->
        <link href="../assets/plugins/pace/pace-theme-flash.css" rel="stylesheet" type="text/css" media="screen"/>
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