// lib/task/fooSampleTask.class.php
<?php

class fooSampleTask extends sfBaseTask
{
  protected function configure()
  {
    // // add your own arguments here
    // $this->addArguments(array(
    //   new sfCommandArgument('my_arg', sfCommandArgument::REQUIRED, 'My argument'),
    // ));

    $this->addOptions(array(
      new sfCommandOption('application', null, sfCommandOption::PARAMETER_REQUIRED, 'The application name'),
      new sfCommandOption('env', null, sfCommandOption::PARAMETER_REQUIRED, 'The environment', 'dev'),
      new sfCommandOption('connection', null, sfCommandOption::PARAMETER_REQUIRED, 'The connection name', 'propel'),
      // add your own options here
    ));

    $this->namespace        = 'foo';
    $this->name             = 'sample';
    $this->briefDescription = '';
    $this->detailedDescription = <<<EOF
The [foo:sample|INFO] task does things.
Call it with:

  [php symfony foo:sample|INFO]
EOF;
  }

  protected function execute($arguments = array(), $options = array())
  {
    // initialize the database connection
    $databaseManager = new sfDatabaseManager($this->configuration);
    $connection = $databaseManager->getDatabase($options['connection'] ? $options['connection'] : null)->getConnection();

    // add your code here
  }
}

protected function execute($arguments = array(), $options = array())
  {
    // initialize the database connection
    $databaseManager = new sfDatabaseManager($this->configuration);
    $connection = $databaseManager->getDatabase($options['connection'] ? $options['connection'] : null)->getConnection();
   
    // DB アクセスも普通に使える
    $obj = BookPeer::retrieveByPK(3);
    var_dump($obj);
   
    // ログも便利
    $this->log('処理終了');
  }

protected function configure()
  {
    // // add your own arguments here
    $this->addArguments(array(
      new sfCommandArgument('my_arg', sfCommandArgument::REQUIRED, 'My argument'),
    ));

% ./symfony foo:sample aaa
// print_r($arguments);
Array
(
    [task] => foo:sample
    [my_arg] => aaa
)