PPI Framework binding

gistfile1.php

<?php

namespace PPI\DataSource\Connection;

use DALMP\dalmp;
use PPI\DataSource\ConnectionInferface;

class Dalmp implements ConnectionInferface
{
    protected $config = array();
    protected $conns = array();
 
    public function __construct(array $config)
    {
        $this->config = $config;
    }

     public function getConnectionByName($name)
    {

        if(!isset($this->config[$name])) {
            throw new \Exception('No DALMP db connection found named: ' . $name);
        }

        if (!isset($this->conns[$name])) {
            $this->conns[$name] = DB::connection($this->config[$name]);
        }

        return $this->conns[$name];
    }

    public function constructDSN($config)
    {
      if (!isset($config['port'])) {
        $config['port'] = 3306;
      }
  
      if (!isset($config['hostname'])) {
        $host = is_readable('/tmp/mysql.sock') ? 'unix_socket=\tmp\mysql.sock' : '127.0.0.1' . ':' . $config['port'];
      } else {
        $host = $config['hostname'] .':'. $config['port']
      }
  
      return new DAMP(sprintf('%s://%s:%s@%s/%s', $config['charset'], $config['username'], $config['password'], $host, $config['database']));

    }

    public function supports($library)
    {
        return $library === 'dalmp';
    }
}