curl call

<?php

        // echo api_call($input,"city_search","master"); exit;
        $url = ''; # API Link

        $post = array('input' => $city);

        // $headers = array('content-type:application/json');

        $ch = curl_init(); # initialize curl object
        curl_setopt($ch, CURLOPT_URL, $url); # set url
        curl_setopt($ch, CURLOPT_POST, 1); #post data
        curl_setopt($ch, CURLOPT_POSTFIELDS, $post); #post data field
        // curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE); # receive server response
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE); # do not verify SSL
        $data = curl_exec($ch); # execute curl
        $res = json_decode($data);
        $city_array = array('cities' => $res->data);
        header("Content-type: application/json; charset=utf-8");
        echo json_encode($city_array, JSON_PRETTY_PRINT);
        // return $data;
        // $httpstatus = curl_getinfo($ch, CURLINFO_HTTP_CODE); # http response status code
        // curl_close($ch); # close curl

?>