public function testFlatten()
{
$config = array('one' => 'hello world', 'two' => array('twoA' => array('one', 'two', 'three'), 'other' => 'value'));
$expected = array('one' => 'hello world', 'two.twoA.0' => 'one', 'two.twoA.1' => 'two', 'two.twoA.2' => 'three', 'two.other' => 'value');
$this->assertEquals($expected, config_flatten($config));
}
/**
* Flatten a multi-dimensional associative array with dots.
*
* @param array $config
* @param string $prepend
* @return array
*/
function config_flatten(array $config, $prepend = '')
{
$results = array();
foreach ($config as $key => $value) {
if (is_array($value)) {
$results = array_merge($results, config_flatten($value, $prepend . $key . '.'));
} else {
$results[$prepend . $key] = $value;
}
}
return $results;
}