function test_fetch()
{
$data = array('post-1' => array('comments' => array('tags' => array('#foo', '#bar'))), 'post-2' => array('comments' => array('tags' => array('#baz'))));
$expected = array(0 => array('tags' => array('#foo', '#bar')), 1 => array('tags' => array('#baz')));
$this->assertEquals($expected, Arr::fetch($data, 'comments'));
$this->assertEquals($expected, wpdevsclub_array_fetch($data, 'comments'));
$expected = array(array('#foo', '#bar'), array('#baz'));
$this->assertEquals($expected, Arr::fetch($data, 'comments.tags'));
$this->assertEquals($expected, wpdevsclub_array_fetch($data, 'comments.tags'));
$this->assertEquals(array(), Arr::fetch($data, 'foo'));
$this->assertEquals(array(), wpdevsclub_array_fetch($data, 'foo'));
$this->assertEquals(array(), Arr::fetch($data, 'foo.bar'));
$this->assertEquals(array(), wpdevsclub_array_fetch($data, 'foo.bar'));
}
/**
* Fetch a flattened array of a nested array element.
*
* @param array $array
* @param string $key
* @return array
*/
function wpdevsclub_array_fetch($array, $key)
{
return Arr::fetch($array, $key);
}
