function flatten($array) {
if (is_array($array)) {
//get the key and value pair of the array
foreach ($array as $key => $value) {
if (is_array($value)) {
echo $key.'/';
} else {
echo $key.":".$value."<br/>\n";
flatten($value);
} else {
return false;
flatten($input_array);
function flatten($array, $prefix='') {
if (is_array($array)) {
//get the key and value pair of the array
foreach ($array as $key => $value) {
if (is_array($value)) {
// call with `path to this array`
flatten($value, $prefix . $key.'/');
} else {
echo $prefix.$key.":".$value."<br/>\n";
} else {
return false;
}