alexlatam

<?php

// Session data
$ftpHost = 'ftp.domain.ext';
$ftpUsername = 'username';
$ftpPassword = '*****';

// Connect with ftp host
$conn = ftp_connect($ftpHost) or die("Is not possible connect with ftp host");

alexlatam

<?php
// VALIDATIONS
filter_var($integerNumber, FILTER_VALIDATE_INT); // verify if variable is an integer number
filter_var("127.0.0.1", FILTER_VALIDATE_IP); // verify if is an IP code
filter_var("test@mail.com", FILTER_VALIDATE_EMAIL); // verify if is a correct email
filter_var("https://domain.ext/", FILTER_VALIDATE_URL); // verify if is a correct url
filter_var("true", FILTER_VALIDATE_BOOLEAN, FILTER_NULL_ON_FAILURE); // verify if is a boolean value
filter_var("123.45", FILTER_VALIDATE_FLOAT); // verify if is a float number

//SANITIZE DATA

alexlatam

<?php
echo date("Y/m/d"); // Current date on format: 2024/12/24
echo date("Y-m-d"); // Current date on format: 2024-12-24
echo date("h:i:sa"); // Current hour on format: 04:33:39am
echo date("h:i:s"); // Current hour on format: 04:33:39
echo date("H:I:s"); // Current hour on format: 20:33:39
echo date('Y-m-d H:i:s'); // Current date: 2024-07-23 12:34:56
echo time(); // Current date on Epoch format: 1721709370
echo date("Y-m-d", time()); // Current date from Epoch format to other format: 2024-12-24
echo mktime(0, 0, 0, 7, 23, 2024); // Get Epoch date from specific date: 1721709370

alexlatam

<?php
init_set('display_errors', 0);
init_set('html_errors', 0);

$message = new stdClass();
$message->content[0] = "Hi there!";
$message->content[1] = "See you later";

/** Headers Response **/
header('Content-Type: application/json; charset=utf-80); // response tpye

alexlatam

Backend Development

• node.js
  • Installation paths: use one of these techniques to install node and npm without having to sudo.
  • Node.js HOWTO: Install Node+NPM as user (not root) under Unix OSes
  • Felix's Node.js Guide
  • Creating a REST API using Node.js, Express, and MongoDB
  • Node Cellar Sample Application with Backbone.js, Twitter Bootstrap, Node.js, Express, and MongoDB
  • JavaScript Event Loop
• Node.js for PHP programmers

alexlatam

/**
 * Create a promise and assign it to a variable
 */
let promise = new Promise((resolve, reject) => {
    setTimeout(() => {
        resolve('Success!')
    }, 2000)
});

/**

alexlatam

<?php

/**
* Creamos una clase de la cual se crearan los objetos que contendra el array
* El array tendra solo objetos de esta clase. [Product, Product, ...]
*/
readonly class Product
{
    public function __construct(
        private string $name,

alexlatam

package main

import (
	"fmt"
	"runtime" // Este paquete permite trabajar con las Go rutinas
	"sync" // Permite crear sincronizar las rutinas de Go
)

// Variable que permite crear grupos de rutinas
var wg sync.WaitGroup

alexlatam

/*
* npm i node-fetch // Instalamos el paquete
* Necesario agregar en el archivo package.json la directiva "type": "module"
*/
import fetch from "node-fetch"; 

const API = 'https://api.escuelajs.co/api/v1';

/*--------------------GET---------------------------*/
function fetchData(urlApi){

alexlatam

const XMLHttpRequest = require("xmlhttprequest").XMLHttpRequest;
const API = "https://api.escuelajs.co/api/v1";

//funcion principal que obtendrá la informacion del producto como un objeto
function fetchData(urlApi, callback) {
    //inicializar un objeto de tipo XMLHttpRequest
    let xhttp = new XMLHttpRequest();
    //El metodo .open realiza la petición de apertura de comunicación, el metodo puede ser 'GET' o 'POST',
    // luego se envia la URL, si es asincrono (true o false), usuario y contraseña. En esta caso solo se utiliza el metodo, la url y async
    xhttp.open('GET', urlApi, true);