Yaf_Config_Ini::get

<?php
/**
 * Assume /etc/myapp/application.ini contains:
 * [common]
 * application.name = "MyApp"
 * database.host    = "localhost"
 * database.port    = 3306
 */
$config = new Yaf_Config_Ini('/etc/myapp/application.ini', 'common');

// Dot notation for nested access
echo $config->get('database.host'), "\n";

// Array values are wrapped in a Yaf_Config_Ini object
echo $config->get('database')->port, "\n";

// No argument: the configuration object itself is returned
echo $config->get()->application->name, "\n";

var_dump($config->get('missing.key'));
?>