RuntimeException' with message 'Unable to read from stream' in D:\upupw\UPUPW_NP5.6\htdocs\xiaokeai\phpcmscos-php-sdk-v5\vendor\guzzlehttp\psr7\src\Stream.php:226 Stack trace: #0 D:\upupw\UPUPW_NP5.6\htdocs\xiaokeai\phpcmsGuzzleHttp\Handler\{closure}(Resource id #22,
我将尝试添加metabox到主页设置字段,但有些地方出错了,请帮助我。metabox不会出现在页面编辑器中,当我删除if statement时,它会显示在所有页面上。function metabox_homepage_videos($post) if (is_front_page()):
add_meta_box('metabox-homepage-videos', __("Homepage Vi