<?php


$str = '[{"object":"list","hasMore":true,"limit":10,"offset":0,"data":[{"city":{"object":"city","id":15873,"ibgeCode":"3550308","name":"SÃ£o Paulo","districtCode":"00","district":"SÃ£o Paulo","state":"SP"}},
                                                              {"city":{"object":"city","id":15718,"ibgeCode":"5200050","name":"Abadia de GoiÃ¡s","districtCode":"05","district":"Abadia de GoiÃ¡s","state":"GO"}},
                                                              {"city":{"object":"city","id":9853,"ibgeCode":"3100104","name":"Abadia dos Dourados","districtCode":"05","district":"Abadia dos Dourados","state":"MG"}}
                                                             ]}]';
$json = json_decode($str, true);

foreach($json[0]['data'] as $item){
	echo $item['city']['name'] .' - '. $item['city']['state'] . PHP_EOL;
}