php convert multidimensional object to array

1$person = new stdClass();
2$person->firstName = "Taylor";
3$person->age = 32;
4
5//Convert Single-Dimention Object to array
6$personArray = (array) $person;
7
8//Convert Multi-Dimentional Object to Array
9$personArray = objectToArray($person);
10function objectToArray ($object) {
11    if(!is_object($object) && !is_array($object)){
12    	return $object;
13    }
14    return array_map('objectToArray', (array) $object);
15}

1$singleArray = []; 
2foreach ($parentArray as $childArray) 
3{ 
4    foreach ($childArray as $value) 
5    { 
6    $singleArray[] = $value; 
7    } 
8}
9