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Ever thought about using a custom field to dynamically generate meta tag information for your WordPress blog? Took me a couple of hours of googling and experimenting before I figured out how to do it, so I figured I’d post the solution.

My first guess was this:

<meta name="description" content="<?php echo get_post_meta($post->ID, 'CustomFieldName', true); ?>" />

And I was wrong. Turns out you need to use get_the_id() instead of $post->ID.

<meta name="description" content="<?php echo get_post_meta(get_the_id(), 'CustomFieldName', true); ?>" />