Parse associative array to url in php

<?php
	$params = array(
	'query' => 'something',
	'page' => 1,
	'items' => 10
	);
	$url = 'http://someapi.com/search';
	if (count($params) > 0) {
	$url .= '?' . implode('&', array_map(function($item) {
	return $item[0] . '=' . $item[1];
	}, array_map(null, array_keys($params), $params)));
	}
	echo $url; // http://someapi.com/search?query=something&page=1&items=10
	?>