- http_build_query: documentation ( source)
<?php
$query_params = [
'tx_kesearch_pi1[page]' => 1,
'tx_kesearch_pi1[resetFilters]' => 0,
'tx_kesearch_pi1[sortByField]' => '',
'tx_kesearch_pi1[sortByDir]' => '',
];
$query_params2 = [
'tx_kesearch_pi1' => [
'page' => 1,
'resetFilters' => 0,
'sortByField' => '',
'sortByDir' => '',
]
];
echo http_build_query($query_params2);