UNIT3D-Community-Edition/app/Console/Commands/DbDump.php

<?php

namespace App\Console\Commands;

use Illuminate\Console\Command;

class DbDump extends Command
{
    /**
     * The name and signature of the console command.
     *
     * @var string
     */
    protected $signature = 'db:dump';

    /**
     * The console command description.
     *
     * @var string
     */
    protected $description = 'Dumps the contents of the database to disk in a format suitable for import with db:load';

    /**
     * Create a new command instance.
     *
     * @return void
     */
    public function __construct()
    {
        parent::__construct();
    }

    /**
     * Execute the console command.
     *
     * @return mixed
     */
    public function handle()
    {
        $outfile = \config('database.pristine-db-file');
        $host = \config('database.connections.mysql.host');
        $db = \config('database.connections.mysql.database');
        $user = \config('database.connections.mysql.username');
        $password = \config('database.connections.mysql.password');

        if (! $outfile) {
            $this->error('The dump file location is not set in the configuration. If you\'ve tried to set it, you may need to call "php artisan cache:clear" and/or specify the environment when calling Artisan, e.g., "php artisan --env=testing db:dump".');

            return;
        }

        // Necessary to avoid warning about supplying password on CLI.

        \putenv(\sprintf('MYSQL_PWD=%s', $password));

        $cmd = \sprintf(
            'mysqldump --user=%s --databases %s --add-drop-database --add-drop-table --default-character-set=utf8mb4 --skip-extended-insert --host=%s --quick --quote-names --routines --set-charset --single-transaction --triggers --tz-utc %s> %s;',
            \escapeshellarg($user),
            \escapeshellarg($db),
            \escapeshellarg($host),
            $this->option('verbose') ? '--verbose ' : '',
            \escapeshellarg($outfile)
        );

        $return = null;

        $output = null;

        \exec($cmd, $output, $return);

        if ($return !== 0) {
            $this->error(\sprintf('Could not dump database to file %s', $outfile));
        }
    }
}