兼容PHP8.1

app/common.php

@@ -129,7 +129,7 @@ function save_url_file($url, $type)
 
     $model_file->save_name = $save_name;
     $model_file->save();
-
+    unlink($temp_file);
     return $save_name;
 }
 
@@ -276,3 +276,28 @@ function app_url(string $url = '', array $vars = [], $suffix = true, $domain = f
 
     return url($url, $vars, $suffix, $domain);
 }
+
+
+if (!function_exists('ua_htmlspecialchars')) {
+    function ua_htmlspecialchars($string)
+    {
+
+        if (is_null($string)) {
+            $string = '';
+        }
+
+        return htmlspecialchars($string);
+    }
+}
+
+if (!function_exists('ua_htmlentities')) {
+    function ua_htmlentities($string)
+    {
+
+        if (is_null($string)) {
+            $string = '';
+        }
+
+        return htmlentities($string);
+    }
+}