Постепенный вывод данных

Имеется ajax скрипт и php скрипт

$(document).ready(function(){
        $(function(){
        $(".users_find").on("click", function(){
            $("#tbody").html("");
            var from = $("#from").val().trim();
            var to = $("#to").val().trim();
            console.log($("#api").length);
            var api = [];
            api = $("#api").val().trim().split('\n');
            console.log(api);
            var xhr;
            xhr = $.ajax({
                    method : "POST",
                    url: "search_by_id.php",
                    dataType:"json",
                    async: true,
                    data : {from : from, to : to, api : api},
                    beforeSend : function(){
                        $(".pred").show();
                    },
                    success:function(response){
                        for (var i = 1 ; i <= response.count; i++) {
                            $("#tbody").append("<tr>"+ 
                            "<td scope='row' id='ids'>"+response.id[i]+"</td>"+
                            "<td id='steam-ids'>"+
                            "<a class = 'ssid' href='https://steamcommunity.com/profiles/"+response.steamid[i]+"'>"+response.steamid[i]+"</a>"+
                            "</td>"+
                            "<td id='steam-names'>"+response.nickname[i]+"</td>"+
                            "<td id='steam-avatars'>"+"<img src="+response.avatar[i]+">"+"</td>"+
                            "<td id='steam-levels'><span id='steam_level' class='steam_level_"+lv(response.level[i])+"'><span id='level_num'>"+response.level[i]+"</span></span></td>"+
                            +"</tr>");
                        };
                        $(".pred").hide();
                    },
                    error : function(response){
                        console.log(response);
                        console.log('error!');
                        $(".pred").hide();
                    }
                });
            $("#fbt-cancel").on("click", function(){
                xhr.abort();
            });
        });
    });
});

<?php
set_time_limit(0);
ignore_user_abort(false); 
function searcher($from, $to){
    //Some settings
    $_STEAMAPI = $_POST['api'][0];
    $_STEAM_PTN = "76561197960265728";
    $url_profile = "https://steamcommunity.com/profiles/";
    $ptrn = "/^https:\/\/steamcommunity\.com\/profiles\/(7[0-9]{15,25}+)$/";
    $count = 0;
    $curl_objects = array();
    //create table for json results
    $json_array = array(
        "id" => array(),
        "steamid"=>array(),
        "nickname"=>array(),
        "avatar"=>array(),
        "level"=>array(),
        "mem"=>array(),
        "count"=>$count
    );
    while ($from <= $to) { 
        $id32 = $from*2;
        $id64 = bcadd($_STEAM_PTN , $id32);
        $id64 = $url_profile.$id64;
        if(preg_match($ptrn, $id64,$matches)){
            $url_id64 = "http://api.steampowered.com/ISteamUser/GetPlayerSummaries/v0002/?key=$_STEAMAPI&steamids=$matches[1]";
            $curl_objects[$from] = $url_id64;
        };
        $from++;
    };
    $multi_curl = curl_multi_init();
    $channels = array();
    foreach ($curl_objects as $curl_object) {
        $ch = curl_init();
        curl_setopt($ch, CURLOPT_URL, $curl_object);
        curl_setopt($ch, CURLOPT_HEADER, false);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
        curl_multi_add_handle($multi_curl, $ch);
        $channels[$curl_object] = $ch;
    }
    $active = null;
    do {
        $mrc = curl_multi_exec($multi_curl, $active);
    } while ($mrc == CURLM_CALL_MULTI_PERFORM);
    while ($active && $mrc == CURLM_OK) {
        if (curl_multi_select($multi_curl) != -1) {
            usleep(100);
        }
        do {
            $mrc = curl_multi_exec($multi_curl, $active);
        } while ($mrc == CURLM_CALL_MULTI_PERFORM);
    }
    foreach ($channels as $channel) {
        $result = curl_multi_getcontent($channel);
        $result = json_decode($result);
        foreach ($result->response->players as $player){
            $steam['steamid']=$player->steamid;
            $steam['name']=$player->personaname;
            $steam['url']=$player->profileurl;
            $steam['avatar']=$player->avatar;
            $steam['mediumavatar']=$player->avatarmedium;
            $steam['fullavatar']=$player->avatarfull;
            $cvs = $player->communityvisibilitystate;
            $ps = $player->profilestate;
            if(($cvs == 1) || ($cvs == 2) || ($steam['steamid'] == null) || (empty($ps))){
                continue;
            } else {
                $url = 'https://api.steampowered.com/IPlayerService/GetSteamLevel/v1/?key='.$_STEAMAPI.'&input_json={"steamid":'.$steam['steamid'].'}';
                $jo = file_get_contents($url);
                $jd = json_decode($jo);
                $count++;
                $json_array["id"][$count] = $count;
                $json_array["steamid"][$count] = $steam['steamid'];
                $json_array["nickname"][$count] = $steam['name'];
                $json_array["avatar"][$count] = $steam['avatar'];
                $json_array["level"][$count] = $jd->response->player_level;
                $json_array["mem"][$count] = $cvs;
                $json_array['count'] = $count;
                $res = json_encode($json_array);
                echo $res;
            };
        };
        curl_multi_remove_handle($multi_curl, $channel);
    };
    curl_multi_close($multi_curl);
};
searcher($_POST['from'],$_POST['to']);
?>

Вопрос заключается в следующем: как выводить данные клиенту по мере выполнения php скрипта?