Wordpress主题上载错误：致命错误：无法在写上下文中使用函数返回值

Question

I'm not a coder, just trying to update my wordpress site! I've bought a theme on Envato called "Birddi". When I try to upload my theme, I got this message :

Fatal error: Can't use function return value in write context in /websites/ik/ikateyou.com/wordpress/wp-content/themes/birddi/inc/template.functions.php on line 1748

This crashed my whole site and I couldn't get back into the admin area until I deleted the theme file. (My site is all messed up with a generic theme now so just ignore it)

Is there any way to fix this? I think this is the line...

$video_thumb = !empty(get_the_post_thumbnail_url($zkbirdi_meta_options['zkbirdi_format_video_local']['id'])) ? get_the_post_thumbnail_url($zkbirdi_meta_options['zkbirdi_format_video_local']['id'],'full') : get_the_post_thumbnail_url(get_the_ID(),'full');

Thankyou so much in advance!!

Answer 1

你为什么不联系主题开发者

Answer 2

Try replacing that line with:

$video_thumb = get_the_post_thumbnail_url($zkbirdi_meta_options['zkbirdi_format_video_local']['id']);
$video_thumb = !empty( $video_thumb ) get_the_post_thumbnail_url($zkbirdi_meta_options['zkbirdi_format_video_local']['id'],'full') : get_the_post_thumbnail_url(get_the_ID(),'full');

In earlier versions of PHP empty() should be applied to variables not values. Alternatively, you may upgrade your version of PHP but that may cause even more problems. Incidentally, I think your version of PHP may be very old - 5.4 or older.