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IF Custom field value equals ZERO

You are using get_post_meta incorrectly, so it is returning FALSE every time. As PHP equates ‘0’ and FALSE, your div will always be displayed.

The correct syntax for get_post_meta is:

<?php $meta_values = get_post_meta($post_id, $key, $single); ?>

where $post_id is the only required argument.

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Categories custom-field Tags custom-field, meta-value, post-meta, shortcode, variables
displaying an error before update_post_meta
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