Introduction

Recently I had the need to create a custom form in the backend, using the API and InputField modules that ProcessWire provides. Think InputFields as the basic building blocks to create forms in ProcessWire. They are used all over the administration panel, and provide styling (via jQuery UI), validation ad error rendering (through the FormBuilder) out of the box.

Here is an example of how you can use the API to create a basic form. The code is taken from this PW forum …

Introduction

In my opinion, Laravel Form Requests are one of the most useful components of Laravel. They can perform authorization and validation on requests, without even touching the controller.

Form Requests are also very flexible, because they are completely customizable by method overriding.

When creating a Form Request, the first method to implement is the authorization() method, which can be used to check if the authenticated user can perform the action. For example the …

Introduction

This post falls in the category “Short tricks that I would teach to my younger self”.

Let’s assume that you want to display a confirmation dialog before submitting an important form. You can leverage the Window.confirm() method, which displays a modal dialog with two buttons, Ok and cancel.

Window.confirm() returns true if the user clicks on the Ok button.

<form onsubmit="return confirm('Do you really want to submit the form?');" …

Laravel provides a couple of handy features to check for the existence of a table or column using the hasTable and hasColumn methods:

<?php

if (Schema::hasTable('users')) {
    //
}

if (Schema::hasColumn('users', 'email')) {
    //
}

However, sometimes you need to check the existence of foreign keys or indexes on tables, for example when you need to rename columns, in order to avoid annoying errors. Unfortunately Laravel doesn’t provide such methods out of the …

Introduction

React Native FBSDK is a wrapper around the iOS and Android Facebook SDK which allows for Facebook integration in React Native apps. It allows to access to native components, from login to sharing, entirely through documented JavaScript modules so you don’t have to call a single native function directly.

I thought that setting it up would be quite simple but unfortunately I was wrong! It is a little bit complicated to get it running and you have to figure out by …

Introduction

At work we are still using Laravel 4 for a few projects. From time to time we need to validate an array of form fields using the Laravel Validator, however before Laravel 5.2 this was not a trivial task. Let’s break down the problem a little bit.

Suppose that you want to validate a form that uses dynamic fields, added at run time by the user. Take the example of a product in an ecommerce website. We need to insert some information on a product, let’s say …