Laravel

Question 1

What is Laravel?

Answer 1

Laravel is a free, open source PHP web application framework, designed for the development of model-view-controller web applications.

Question 2

What does MVC stand for?

Answer 2

Model-View-Controller

Question 3

What is homestead?

Answer 3

An official, pre-packaged Vagrant “box” that provides you a wonderful development environment without requiring you to install php, hhvm, a web server, ad any other server software on your local machine.

Question 4

What is a model-view-controller?

Answer 4

A software architectural pattern for implementing user interfaces. It divides a given software application into three interconnected parts, so as to separate internal representations of information from the ways that information is presented to, or accepted from the user.

Question 5

Describe the MODEL part of MVC

Answer 5

Captures the behaviour of the application in terms of its problem domain, independent of the user interface. The model directly manages the data, logic and rules of the application.

Question 6

Describe the VIEW part of MVC.

Answer 6

It can be any output representation of information, such as a chart or a diagram.

Question 7

Describe the CONTROLLER part of the MVC

Answer 7

Accepts input and converts it to commands for the model or view.

Question 8

What does Laravel Elixir do?

Answer 8

Provides a clean, fluent API for defining basic GUlp tasks for your laravel application.

Elixir supports several common CSS and JavaScript pre-processors, and even testing tools.

Question 9

What is Gulp?

Answer 9

A task-runner which uses Node.js

Question 10

What does Gulp focus on?

Answer 10

Using streams

Question 11

How do streams work?

Answer 11

In Node, the build in stream module is used by the core libraries and can also be used by user-space modules.

Question 12

Describe the Blade templating system.

Answer 12

Blade is a simple, yet powerful templating engine provided with Laravel. Unlike controller layouts, Blade is driven by template inheritance and sections. All Blade templates should use the .blade.php extension.

@section(‘content’)
This is my body content
@stop

Question 13

How do we echo using the Blade templating system

Answer 13

by putting content to be echoed in double curly braces:

{{ $name or ‘Default’ }}

Question 14

What is the laravel Eloquent Data Model?

Answer 14

The Eloquent ORM included with Laravel provides a beautiful, simple ActiveRecord implementation for working with your database. Each database table has a corresponding “Model” which is used to interact with that table.

Question 15

How does Eloquent create a primary key for database tables?

Answer 15

Eloquent will also assume that each table has a primary key column named id. You may define a primaryKey property to override this convention.

Question 16

how do we create a new laravel project?

Answer 16

composer create-project laravel/laravel folderName

Question 17

how do we create a new laravel project?

Answer 17

composer create-project laravel/laravel folderName

Question 18

what file do we need to add to in order to see a website that we are creating on our virtual machine?

Answer 18

We need to add our domain name to the hosts file (awesome.dev) in order to be able to view the project in our browser

Question 19

What does the routes.php file do?

Answer 19

The routes file contains instructions for what to do when a user tries to “get” a certain file on the site.

ex: Route::get(‘/’, ‘WelcomeController@index’);

This example says “when the user tries to “get” the root (/) of the website, find the WelcomeController page and call the function @index

Question 20

What does the routes.php file do?

Answer 20

The routes file contains instructions for what to do when a user tries to “get” a certain file on the site.

ex: Route::get(‘/’, ‘WelcomeController@index’);

This example says “when the user tries to “get” the root (/) of the website, find the WelcomeController page and call the function @index

Question 21

Where are the files stored that we actually see in our browser?

Answer 21

In views/pages . These files are called by functions in the controllers which return views by name.

Question 22

Where are the files stored that we actually see in our browser?

Answer 22

In views/pages . These files are called by functions in the controllers which return views by name.

Question 23

How to we turn on error notifications for development?

Answer 23

in the .env directory we change the APP_ENV value from production to LOCAL

Question 24

What is the difference between printing escaped vs non-escaped data in a laravel view

Answer 24

escaped data such as {{ data}} will print a literal string (like single quotes in straight php, non-escaped data such as {{!! $data !!}} will parse whatever code/variables are inside the brackets. Use non-escaped data with caution to avoid injection attacks

Question 25

What is the difference between printing escaped vs non-escaped data in a laravel view

Answer 25

escaped data such as {{ data}} will print a literal string (like single quotes in straight php, non-escaped data such as {{!! $data !!}} will parse whatever code/variables are inside the brackets. Use non-escaped data with caution to avoid injection attacks

Question 26

What is the difference between printing escaped vs non-escaped data in a laravel view

Answer 26

escaped data such as {{ data}} will print a literal string (like single quotes in straight php, non-escaped data such as {{!! $data !!}} will parse whatever code/variables are inside the brackets. Use non-escaped data with caution to avoid injection attacks

Question 27

what is one of the benefits of using the blade system?

Answer 27

reduces redundancy of code. rather than having several files for several web pages, we can have one master page that only contains the content we are looking for by using @yield(‘content’) and then having each of our different “pages” use @extends the master page with @section(‘content’)

Question 28

what is one of the benefits of using the blade system (in reference to master pages)?

Answer 28

reduces redundancy of code. rather than having several files for several web pages, we can have one master page that only contains the content we are looking for by using @yield(‘content’) and then having each of our different “pages” use @extends the master page with @section(‘content’)

Question 29

how do we use conditionals in laravel?

Answer 29

@if (some code) @endif

Question 30

how do we configure our database in laravel?

Answer 30

we use the file database.php which is located in the config directory. We reference the passwords and hostnames stored in our .env file to keep things secure (.env is ignored by git and will not be uploaded if you try and push this iteration).

Question 31

how do we configure our database in laravel?

Answer 31

we use the file database.php which is located in the config directory. We reference the passwords and hostnames stored in our .env file to keep things secure (.env is ignored by git and will not be uploaded if you try and push this iteration).

Question 32

what is the main advantage of database migrations (laravel)?

Answer 32

version control. allows multiple people to work and update the same database and tables.

Question 33

how do we create a new table using migration?

Answer 33

-create a new class that extends migration
-create two functions, up and down
-in the up function, create a schema
Schema::create(‘tablename’, function(Blueprint $table){
….table headings….
}
-in the function down, Schema::drop(‘tablename’)
-in the command line use “php artisan migrate” , tables are now created

Question 34

how do you update tables using migration?

Answer 34

first, run php artisan migrate:rollback to undo table creation.
second, update your tables and then use the command php artisan migrate

Question 35

how do you update tables using migration?

Answer 35

first, run php artisan migrate:rollback to undo table creation.
second, update your tables and then use the command php artisan migrate

Question 36

how can we use the eloquent model to protect our database from injection?

Answer 36

by adding a protected array in our database model that indicates which fields can be filled by inputted data