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const seconds = 30;

const lsKey = "acesso-anterior";

if (localStorage.getItem(lsKey) === null)
  setTimeout(showElements, seconds * 1000);
else
  showElements();
  
function showElements() {

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<?php

//código que eu não vi no print...

$historicoDeOperacoes = [];

switch($operacao){
  case "saque":
    
    $_SESSION["saldo"] -= $valor;

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var startDate = new Date(2021, 3, 1);
var endDate = new Date(2021, 4, 1);

var diffTime = Math.abs(endDate - startDate);
var diffDays = Math.ceil(diffTime / (1000 * 60 * 60 * 24));

var totalWeeks = Math.round(diffDays / 7);
var remainingDays = diffDays % 7;

//se quiser considerar o dia final também, descomente a linha abaixo:

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FROM php:7.4-apache

RUN apt-get update
RUN apt-get install --yes --force-yes cron g++ gettext libicu-dev openssl libc-client-dev libkrb5-dev libxml2-dev libfreetype6-dev libgd-dev libmcrypt-dev bzip2 libbz2-dev libtidy-dev libcurl4-openssl-dev libz-dev libmemcached-dev libxslt-dev

RUN a2enmod rewrite

RUN docker-php-ext-install mysqli 
RUN docker-php-ext-enable mysqli

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version: '3.4'

services:
  es01:
    image: docker.elastic.co/elasticsearch/elasticsearch:7.12.0
    container_name: es01
    environment:
      - node.name=es01
      - cluster.name=es-docker-cluster
      - discovery.seed_hosts=es02,es03

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version: "3.1"

services:
  www:
    build: .
    ports:
      - "8001:80"
    volumes:
      - ./:/var/www/html/
    networks:

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FROM php:5.6-apache

RUN sed -i -e 's/deb.debian.org/archive.debian.org/g' \
           -e 's|security.debian.org|archive.debian.org/|g' \
           -e '/stretch-updates/d' /etc/apt/sources.list

RUN apt-get update
RUN apt-get install --yes --force-yes cron g++ gettext libicu-dev openssl libc-client-dev libkrb5-dev  libxml2-dev libfreetype6-dev libgd-dev libmcrypt-dev bzip2 libbz2-dev libtidy-dev libcurl4-openssl-dev libz-dev libmemcached-dev libxslt-dev

RUN a2enmod rewrite

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<?php 

$isAuthorized = isUserAuthorized(); //sua lógica para validar se o usuário está ou não autorizado.

if(!$isAuthorized)
  die(header("Location: index.php")); //se o usuário não tiver autorização, redireciona ele pra index e encerra o script com die()
  
// aqui ele tá autorizado, então bora servir a imagem...

$image = $_GET["image"]; //supondo que a URL foi acessada via: showImage.php?image=foto123.png

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<?php

class A {
	private $x;

	public function __construct(){
		$this->x = "testando";
	}	
	
	public function __toString(){

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<?php

$soma = 0;
$fornecedor = "";

while($mostrar = mysql_fetch_row($result)){
  if($fornecedor == "")
      $fornecedor = $mostrar[3];
  
  if($fornecedor != $mostrar[3]){