update

app/Http/Controllers/Admin/EmailTemplateController.php

@@ -185,7 +185,7 @@ class EmailTemplateController extends BaseController
                 $all['department_id'] = $this->getUser()->department_id;
             }
             $original = $model->getOriginal();
-            dd($all);
+            dd(getVar($all['content']));
             $model->fill($all);
             $model->save();
             DB::commit();

app/Http/functions.php

@@ -676,7 +676,8 @@ function isMultiDimensionalArray($array)
  * @param lng1,lng2 经度
  * @return float 距离，单位为km
  **/
-function getDistance($lat1,$lng1,$lat2,$lng2){
+function getDistance($lat1, $lng1, $lat2, $lng2)
+{
 //将角度转为狐度
     $radLat1 = deg2rad($lat1);//deg2rad()函数将角度转换为弧度
     $radLat2 = deg2rad($lat2);
@@ -687,3 +688,13 @@ function getDistance($lat1,$lng1,$lat2,$lng2){
     $s = 2 * asin(sqrt(pow(sin($a / 2), 2) + cos($radLat1) * cos($radLat2) * pow(sin($b / 2), 2))) * 6371;
     return round($s, 1);
 }
+
+/**
+ * 提取中括号里的数据
+ */
+function getVar($text)
+{
+    $pattern = '/\{.*?\}/';
+    preg_match_all($pattern, $text, $matches);
+    return $matches[0] ?? '';
+}