$(document).ready(function(){
 $.ajax({
                url: "/solardata.php",
                method: 'GET',
                dataType: 'json',
                success: pokudjeprijato
            });

   function pokudjeprijato(data) {
        var length = data.length;
        var data2 = [ data ];
        $.plot($("#solar"), data2,{series: {bars: {show: true}, color: "blue"}, bars:  { align: "center", barWidth: 24*3600*1000}, xaxis: {mode: "time", monthNames: ["led", "únr", "bře", "dub", "kvě", "čvn", "čvc", "srp", "zář", "říj", "lis", "pro"]}
        });

    }
});