php7 Modules/main.php bug fix

[tianying484]

202a203,206

---

     // init statistic
     if (!isset(\Statistics\Lib\Cache::$statisticDataCache['statistic'][$ip])) {
         \Statistics\Lib\Cache::$statisticDataCache['statistic'] = array();
     }

222c226

---

     $time_line = ceil($time_line/300)*300;
     $time_line = intval(ceil($time_line/300)*300);

232,235c236,239

---

     $st_data[$time_line]['suc_count'] += $suc_count;
     $st_data[$time_line]['suc_cost_time'] += $suc_cost_time;
     $st_data[$time_line]['fail_count'] += $fail_count;
     $st_data[$time_line]['fail_cost_time'] += $fail_cost_time;

---

     $st_data[$time_line]['suc_count'] += intval($suc_count);
     $st_data[$time_line]['suc_cost_time'] += intval($suc_cost_time);
     $st_data[$time_line]['fail_count'] += intval($fail_count);
     $st_data[$time_line]['fail_cost_time'] += intval($fail_cost_time);`