MoreFields 中的 WordPress 自定义字段值不返回值

发布于 2024-10-22 09:20:57 字数 356 浏览 1 评论 0原文

大家好，这里是我遇到问题的代码片段......

<?php $ReleaseDate = meta('dvdReleaseDate'); ?>

如果我返回 $ReleaseDate 的值，我什么也得不到......

我也尝试过......

<?php $ReleaseDate = get_post_meta(get_the_ID(), 'dvdReleaseDate', true); ?>

没有任何作用......我真的需要帮助。我正在使用 WordPress 3.0.1。谢谢

原文

hello everyone here is the snippet of code I am having problems with...

<?php $ReleaseDate = meta('dvdReleaseDate'); ?>

If I return the value for $ReleaseDate, I get nothing...

I have also tried....

<?php $ReleaseDate = get_post_meta(get_the_ID(), 'dvdReleaseDate', true); ?>

Nothing works..I really need help. I am using Wordpress 3.0.1. Thanks

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唱一曲作罢 2024-10-29 09:20:57

尝试在最基本的级别访问此数据：

<?php echo 'DVD Release Date:'.get_post_meta($post->ID, 'dvdReleaseDate', true);?>

确保在可访问 $post 对象的地方（即循环内）使用此调用。如果您在循环之外的某个地方使用它（例如，在functions.php中），请像这样预先声明您的$post对象：

<?php 
global $post;
echo 'DVD Release Date:'.get_post_meta($post->ID, 'dvdReleaseDate', true);
?>

如果您仍然没有从中得到输出，则意味着：

您正在通过以下方式引用您的自定义字段错误的名称
尚未为此帖子设置此自定义字段，或者
您正尝试在无法访问 $post 对象的地方使用此函数

如果 #3 有问题，请尝试如下操作：

<?php
echo 'if there is data in $post, it will print here:';
print_r($post);
echo 'DVD Release Data:'.get_post_meta($post->ID, 'dvdReleaseDate', true);
?>

如果您的帖子对象不打印，那么你正在经历#3。如果有，但没有自定义字段输出，则它是前 2 个输出之一。

Try to access this data at the most basic level:

<?php echo 'DVD Release Date:'.get_post_meta($post->ID, 'dvdReleaseDate', true);?>

Make sure you use this call somewhere where your $post object is accessible -- ie, within the loop. If you're using this somewhere outside the loop (for example, in functions.php), declare your $post object beforehand like this:

<?php 
global $post;
echo 'DVD Release Date:'.get_post_meta($post->ID, 'dvdReleaseDate', true);
?>

If you still get no output from this, it means either:

You are referring to your custom field by the wrong name
This custom field has not been set for this post, or
You are trying to use this function somewhere where your $post object is inaccessible

If #3 is in question, try something like this:

<?php
echo 'if there is data in $post, it will print here:';
print_r($post);
echo 'DVD Release Data:'.get_post_meta($post->ID, 'dvdReleaseDate', true);
?>

If your post object doesn't print, then you're experiencing #3. If it does, but there's no custom field output, it's one of the first 2.

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