$arrayMult = [ ['a','b'] , ['c', 'd'] ];
$arraySingle = call_user_func_array('array_merge', $arrayMult);
// $arraySingle is now = ['a','b', 'c', 'd'];$person = new stdClass();
$person->firstName = "Taylor";
$person->age = 32;
//Convert Single-Dimention Object to array
$personArray = (array) $person;
//Convert Multi-Dimentional Object to Array
$personArray = objectToArray($person);
function objectToArray ($object) {
if(!is_object($object) && !is_array($object)){
return $object;
}
return array_map('objectToArray', (array) $object);
}$singleArray = [];
foreach ($parentArray as $childArray)
{
foreach ($childArray as $value)
{
$singleArray[] = $value;
}
}