fix:strlen()

Gameserver/App/process/FightProc.php

@@ -566,7 +566,7 @@ class FightProc {
         ctx()->base()->Add_Exp($waveMo->rewardExp);                             # 指挥官经验
         ctx()->base()->Add_Gold($waveMo->rewardGold);                           # 金币奖励
         # 图纸奖励: 数量min-max, 部位随机
-        if (str_len($waveMo->rewardTuZhi) > 0 && str_contains($waveMo->rewardTuZhi, '-')) {
+        if (strlen($waveMo->rewardTuZhi) > 0 && str_contains($waveMo->rewardTuZhi, '-')) {
             list($tz_min, $tz_max) = str_split($waveMo->rewardTuZhi);           # 图纸数量
             $tz_n = rand($tz_min, $tz_max);
             # 图纸部位数据源 1001, 1002, 1003, 1004, 1005, 1006