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Laravel Configuration

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Laravel Configuration

In this chapter we discuss about categories included in the configuration.

environment  variables are variables which declared in the .env file and which have parameter required for configuration.

Environment Configuration

In environment variable all the list of web services for your web application are provided. In .env file all the environment variable are declared which include the parameters need for initializing the configuration.

.env file have following parameters by default -

APP_NAME=Laravel

APP_ENV=local

APP_KEY=base64:lWhUcswVYue03KJhhQ1gfRuTFUHIJ1xGVSESoa8fazQ=

APP_DEBUG=true

APP_URL=http://laravel_tutorial.test

 

LOG_CHANNEL=stack

LOG_LEVEL=debug

 

DB_CONNECTION=mysql

DB_HOST=127.0.0.1

DB_PORT=3306

DB_DATABASE=laravel_tutorial

DB_USERNAME=root

DB_PASSWORD=

 

BROADCAST_DRIVER=log

CACHE_DRIVER=file

FILESYSTEM_DRIVER=local

QUEUE_CONNECTION=sync

SESSION_DRIVER=file

SESSION_LIFETIME=120

 

MEMCACHED_HOST=127.0.0.1

 

REDIS_HOST=127.0.0.1

REDIS_PASSWORD=null

REDIS_PORT=6379

 

MAIL_MAILER=smtp

MAIL_HOST=mailhog

MAIL_PORT=1025

MAIL_USERNAME=null

MAIL_PASSWORD=null

MAIL_ENCRYPTION=null

MAIL_FROM_ADDRESS=null

MAIL_FROM_NAME="${APP_NAME}"

 

AWS_ACCESS_KEY_ID=

AWS_SECRET_ACCESS_KEY=

AWS_DEFAULT_REGION=us-east-1

AWS_BUCKET=

AWS_USE_PATH_STYLE_ENDPOINT=false

 

PUSHER_APP_ID=

PUSHER_APP_KEY=

PUSHER_APP_SECRET=

PUSHER_APP_CLUSTER=mt1

 

MIX_PUSHER_APP_KEY="${PUSHER_APP_KEY}"

MIX_PUSHER_APP_CLUSTER="${PUSHER_APP_CLUSTER}"

 

 

Note : A file with file name '.env.example' is present there ,which is nothing but it is a copy of .env file .

Retrieval of Environment Variables

environment variables declared in the .env file are accessed by env-helper functions which use to call the respective parameter. when application receives a request from the user end then all these variables are listed into $_ENV global variable. You can access the environment variable as shown below −

'env' => env('APP_ENV''production'),

In app.php file env-helper function are called which is included in the config folder.

In config folder we have many default file for different purpose :

  • app.php 
  • auth.php
  • broadcasting.php
  • cache.php
  • cors.php
  • database.php
  • filesystem.php
  • hashing.php
  • logging.php
  • mail.php
  • queue.php
  • sanctum.php
  • services.php
  • session.php
  • view.php

 

For example -

Database Configuration

The database of your application can be configured from config/database.php file. You can set configuration parameters that can be used by different databases and you can also set the default one to use. 

 

    'connections' => [

 

        'sqlite' => [

            'driver' => 'sqlite',

            'url' => env('DATABASE_URL'),

            'database' => env('DB_DATABASE'database_path('database.sqlite')),

            'prefix' => '',

            'foreign_key_constraints' => env('DB_FOREIGN_KEYS'true),

        ],

 

        'mysql' => [

            'driver' => 'mysql',

            'url' => env('DATABASE_URL'),

            'host' => env('DB_HOST''127.0.0.1'),

            'port' => env('DB_PORT''3306'),

            'database' => env('DB_DATABASE''forge'),

            'username' => env('DB_USERNAME''forge'),

            'password' => env('DB_PASSWORD'''),

            'unix_socket' => env('DB_SOCKET'''),

            'charset' => 'utf8mb4',

            'collation' => 'utf8mb4_unicode_ci',

            'prefix' => '',

            'prefix_indexes' => true,

            'strict' => true,

            'engine' => null,

            'options' => extension_loaded('pdo_mysql') ? array_filter([

                PDO::MYSQL_ATTR_SSL_CA => env('MYSQL_ATTR_SSL_CA'),

            ]) : [],

        ],

 

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