优化获取六个月以内的发布日期

application/controllers/information.php

@@ -1092,23 +1092,7 @@ class Information extends CI_Controller
     $data_H1 = array();
     $data_H1['infocategory'] = $this->Information_model->get_detail_by_path($information->is_path, 1); //信息所属分类，获取信息顶级节点内容
     $data_H1['author'] = ''; //获取作者信息
-
-    $meta_news_createdate = get_meta($information->ic_id, 'meta_news_createdate');
-
-    // 六个月以前的文章不显示发布时间
-    if (empty($meta_news_createdate) || !strtotime($meta_news_createdate)) {
-      $data_H1['meta_news_createdate'] = NULL;
-    } else {
-      $publish_date = new DateTime($meta_news_createdate, new DateTimeZone('UTC'));
-      $current_date = new DateTime('now', new DateTimeZone('UTC'));
-      $interval = $current_date->diff($publish_date);
-
-      if ($interval->y > 0 || ($interval->m > 6) || ($interval->m == 6 && $interval->d > 0)) {
-        $data_H1['meta_news_createdate'] = NULL;
-      } else {
-        $data_H1['meta_news_createdate'] = $meta_news_createdate;
-      }
-    }
+    $data_H1['meta_news_createdate'] = $this->get_publish_date_in_6_month($information);
 
     $author = $this->Operator_model->get_author_nikename($information->ic_author);
     if (!empty($author)) {
@@ -1499,6 +1483,26 @@ class Information extends CI_Controller
     file_put_contents($html_path, $template, LOCK_EX);
   }
 
+  // 六个月以前的文章不显示发布时间
+  private function get_publish_date_in_6_month($information)
+  {
+    $publish_date_in_6_month = NULL;
+    $meta_news_createdate = get_meta($information->ic_id, 'meta_news_createdate');
+
+    if (!empty($meta_news_createdate) && strtotime($meta_news_createdate)) {
+      $publish_date = new DateTime($meta_news_createdate, new DateTimeZone('UTC'));
+      $current_date = new DateTime('now', new DateTimeZone('UTC'));
+      $interval = $current_date->diff($publish_date);
+      $total_months = $interval->y * 12 + $interval->m;
+
+      if ($total_months < 6) {
+        $publish_date_in_6_month = $meta_news_createdate;
+      }
+    }
+
+    return $publish_date_in_6_month;
+  }
+
   public function test_recommand()
   {
     $information = $this->Information_model->Detail($this->input->get('is_id'));