flatten-array.php

/**
 * Turn a multi-dimensional array in to a simple flat array.
 *
 * @link http://stackoverflow.com/a/14972714/4429450
 */
function array_flatten($array) {
	$return = array();
	foreach ($array as $key => $value) {
		if (is_array($value)){ $return = array_merge($return, array_flatten($value));}
		else {$return[$key] = $value;}
	}
	return $return;
}


$result = array_flatten( $unflattened_array );