PHP

laravel database connection check

use IlluminateSupportFacadesDB;

// Test database connection
try {
    DB::connection()->getPdo();
} catch (Exception $e) {
    die("Could not connect to the database.  Please check your configuration. error:" . $e );
}

laravel get db connection info

if(DB::connection()->getDatabaseName())
   {
     echo "conncted sucessfully to database ".DB::connection()->getDatabaseName();
   }

check which database connect laravel

DB::connection();

connect database to laravel

1) go to http://localhost/phpmyadmin .
2) create a new table called job for example 
3) go to .env file in your laravel project then change these lignes:
DB_CONNECTION=mysql  
DB_HOST=127.0.0.1. 
DB_PORT=3306    
DB_DATABASE=name_of_database // => name should be exact as the table name you created .. in our example its job 
DB_USERNAME=root         
DB_PASSWORD=choose_your_password