通用方法改进

application/common.php

@@ -517,9 +517,10 @@ function request_post_hub($field_array = [],$required = [],$noempty = []){
  */
 function get_last_time($time = NULL) {
     $text = '';
-    $time = $time === NULL || $time > time() ? time() : intval($time);
-    $t = time() - $time; //时间差 （秒）
-    $y = date('Y', $time)-date('Y', time());//是否跨年
+    $nowtime = time();
+    $time = ($time === NULL || empty($time) || $time > $nowtime) ? $nowtime : intval($time);
+    $t = $nowtime - $time; //时间差 （秒）
+    $y = date('Y', $time)-date('Y', $nowtime);//是否跨年
     switch($t){
         case $t == 0:
             $text = '刚刚';