function array_key_of(array $set, $match)
{
return Hash::keyOf($set, $match);
}
/**
* Test that keyOf() returns the key name based on the provided value; will drill down.
*/
public function testKeyOf()
{
$data = $this->expanded;
$this->assertEquals(null, Hash::keyOf($data, 'fakeValue'));
$this->assertEquals('boolean', Hash::keyOf($data, true));
$this->assertEquals('one.two.three.depth', Hash::keyOf($data, 3));
}