Laravel 8 from scratch

Question 1

how do you start a laravel server with artisan

Answer 1

php artisan serve

Question 2

what function do we use to render a 404 page?

Answer 2

abort();

Question 3

how to cache in a route?

Answer 3

cache()->remember(unique name , seconds (now()->addHour()) , closure)

Question 4

what do we return if we cannot find a model?

Answer 4

new modelNotFoundException();

Question 5

what PHP function do we use to return an array from another array?

Answer 5

array_map();

Question 6

what wrapper do we use in laravel for PHP arrays?

Answer 6

a collection

Question 7

how do we echo something in blade?

Answer 7

{{ }}

Question 8

how to echo un-escaped HTML in blade?

Answer 8

{!! !!}

Question 9

how to write a foreach in blade?

Answer 9

@foreach @endforeach

Question 10

how to dd in blade template?

Answer 10

@dd();

Question 11

how to add conditional to blade template?

Answer 11

@if @endif

Question 12

how to add opposite conditional to blade?

Answer 12

@unless @endunless

Question 13

how to migrate in PHP artisan?

Answer 13

php artisan migrate

Question 14

how to rollback in php artisan?

Answer 14

php artisan migrate:rollback

Question 15

how to restart all migrations in php artisan?

Answer 15

php artisan migrate:refresh

Question 16

what is the active record design pattern?

Answer 16

it’s an approach that connects the business application logic to a database table , allowing developers to work with the database using an object oriented paradigm

Question 17

what is the active record?

Answer 17

it’s an object that wraps a row in the database table, encapsulates the database access and provides an interface to query , insert , update and delete data from the database table.

Question 18

what is the encryption function for laravel?

Answer 18

bcrypt();

Question 19

what are the properties in a model we use for mass assignment ( Model::create())

Answer 19

1 - fillable: allowed properties
2 - guarded : everything else is allowed but these

Question 20

what is a route model binding?

Answer 20

it is binding a route key to an eloquent model

Question 21

what are the specifications for route model binding?

Answer 21

1 - wild card must match with the variable model name
2 - it defaults to finding by id
3 - if we want it to find something by a specific column we make the key model:column

Question 22

how to make a migration with a model?

Answer 22

php artisan make:model Model -m

Question 23

what is the difference between has and belongsTo?

Answer 23

if a table has the foreign key then we use belongsTo

Question 24

what is the package we use to debug in browser?

Answer 24

clockwork

Question 25

how to fix n+1 problem in queries?

Answer 25

using eager loading not lazy loading with the help of function ‘with’

Question 26

how to migrate and seed at the same time?

Answer 26

php artisan migrate:fresh –seed

Question 27

how to order in an eloquent model?

Answer 27

using latest();

Question 28

how to eager load an existing model?

Answer 28

using load()

Question 29

how to eager load inside the model itself?

Answer 29

using $with property

Question 30

how to skip an iteration in a collection?

Answer 30

using skip()

Question 31

what javascript library do we use with laravel?

Answer 31

alpine

Question 32

how to check for equality in a collection?

Answer 32

using is();

Question 33

what is a named route?

Answer 33

it’s a route that you assign a name to

Question 34

how to assign a name to a route?

Answer 34

using ->name() on Route method

Question 35

how to make a controller using artisan?

Answer 35

php artisan make:controller ModelName

Question 36

what to do when you want to write a method in a model?

Answer 36

use scopreMethodName()

Question 37

what is the if condition for the query builder?

Answer 37

‘when’