Example #1
0
 public function getStartTimeChart($time_frame = 30, $timeSpan = '1 day')
 {
     if ($timeSpan == 'MAX') {
         $oldest_trade = Trade::orderBy('created_at', 'asc')->first();
         if (isset($oldest_trade->id)) {
             $previous_day = strtotime($oldest_trade->created_at);
         } else {
             $previous_day = strtotime(date('Y-m-d H:i:s'));
         }
     } else {
         $previous_day = strtotime(date('Y-m-d H:i:s') . " -" . $timeSpan);
     }
     // echo "<br>Cur: ".date("Y-m-d H:i:s");
     // echo "<br>timeSpan: ".$timeSpan;
     // echo "<pre>previous_day: "; print_r(date("Y-m-d H:i:s",$previous_day)); echo "</pre>";
     // $hour_minute = date('H:i',$previous_day);
     $hour = date("H", $previous_day);
     $minute = date("i", $previous_day);
     if ($minute < $time_frame) {
         $minute = 0;
     } else {
         $minute = $time_frame;
     }
     $hour_minute = mktime($hour, $minute, 0);
     $result['start_time'] = date("H:i", $hour_minute);
     $date = mktime($hour, $minute, 0, date('m', $previous_day), date('d', $previous_day), date('Y', $previous_day));
     $result['start_date'] = date("Y-m-d H:i:s", $date);
     return $result;
 }