}
if (strlen($imagen3) > 0) {
$imagteType = exif_imagetype($_FILES["file3"]["tmp_name"]);
if ($imagteType == IMAGETYPE_JPEG) {
$extension = ".jpeg";
$newName3 = md5($_FILES["file3"]['name'] . date('d-m-Y H:i:s')) . $extension;
} elseif ($imagteType == IMAGETYPE_PNG) {
$extension = ".png";
$newName3 = md5($_FILES["file3"]['name'] . date('d-m-Y H:i:s')) . $extension;
}
move_uploaded_file($_FILES["file3"]["tmp_name"], $path . $newName3);
}
$consulta = "UPDATE PRINCIPAL SET PRIN_MISION = '{$mision}',PRIN_VISION = '{$vision}'" . (strlen($imagen1) > 0 ? ",PRIN_IMAGEN1 = 'imagenes/{$newName1}'" : "") . (strlen($imagen2) > 0 ? ",PRIN_IMAGEN2 = 'imagenes/{$newName2}'" : "") . (strlen($imagen3) > 0 ? ",PRIN_IMAGEN3 = 'imagenes/{$newName3}'" : "");
$con = new conexion($hostname, $user, $password, $dataBase);
if ($con->connect()) {
if ($con->update($consulta)) {
echo "1";
} else {
echo "-1";
}
$con->close();
} else {
echo "-1";
}
return;
case "guardar_clase":
$clase = $_POST["clase"];
$json_rsp = array("error" => false, "mensaje" => "", "id" => -1);
$con = new Conexion($hostname, $user, $password, $dataBase);
if ($con->connect()) {
$consulta = "INSERT INTO CLASE(CLAS_NOMBRECLASE) VALUES('{$clase}')";
