Codice PHP:
$Agenda["Simone"]["xxxxx"]["1111111"] = '0';
$Agenda["David"]["yyyyyy"]["222222"] = '1';
$Agenda["Daniela"]["bbbbbb"]["333333"] = '2';
$Agenda["Alessandro"]["sssssss"]["444444"] = '3';
function multi_array_search($search_value, $the_array)
{
if (is_array($the_array))
{
foreach ($the_array as $key => $value)
{
$result = multi_array_search($search_value, $value);
if (is_array($result))
{
$return = $result;
array_unshift($return, $key);
return $return;
}
elseif ($result == true)
{
$return[] = $key;
return $return;
}
}
return false;
}
else
{
if ($search_value == $the_array)
{
return true;
}
else return false;
}
}
$result = multi_array_search('2', $Agenda);
print_r($result);