兼容图标未设置情况，不输出mate

functions.php

@@ -422,6 +422,26 @@ function pk_breadcrumbs()
     return $out;
 }
 
+/**
+ * 返回图标信息
+ *
+ * @return string
+ * @author lvshujun
+ * @date 2024-03-19
+ */
+function pk_icon_mate() {
+    //获取icon地址
+    $pk_icon = pk_get_option('favicon');
+    //未设置返回空
+    if ($pk_icon === '') return '';
+
+    //连接字符串
+    $str = '<link rel="shortcut icon" href="' . $pk_icon . '">
+    <link rel="apple-touch-icon" href="' . $pk_icon . '"/>';
+
+    return $str;
+}
+
 //获取阅读数量
 function pk_get_post_views()
 {

header.php

@@ -6,8 +6,7 @@
           content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
     <meta http-equiv="X-UA-Compatible" content="ie=edge">
     <meta http-equiv='content-language' content='<?php echo get_locale() ?>'>
-    <link rel="shortcut icon" href="<?php echo pk_get_option('favicon') ?>">
-    <link rel="apple-touch-icon" href="<?php echo pk_get_option('favicon') ?>"/>
+    <?php echo pk_icon_mate(); ?>
     <?php if(pk_is_checked('seo_open',true)) get_template_part('inc/seo') ?>
     <?php wp_head(); ?>
     <?php if (!empty(pk_get_option('tj_code_header', ''))): ?>