- http_build_query: documentation ( source)
<?php
$nested = array(
'key1' => array(
'subkey1' => 'subval1',
'subkey2' => 'subval2'
),
'key2' => array(
'subkey1' => 'subval1',
'subkey2' => 'subval2'
),
);
echo http_build_query($nested);