Wordpress - if get_post_meta is empty do something
You could use the empty
function inside your if
as such :
<?php if( empty( get_post_meta( $post->ID, 'price_list_category1', true ) ) ) : ?>style="display:none;"<?php endif; ?>
The above returns an error, you should assign the return value to a variable. See my edit below.
Warning
empty
might not be the best option depending on the values you store in the meta. Values like false
, 0
etc... will be considered empty.
Check the PHP manual for the full list of values that are considered empty.
Edit
You can try assigning the meta to a variable, and using that in the if
statement.
<?php
$price_list = get_post_meta( $post->ID, 'price_list_category1', true );
?>
And then...
if( empty( $price_list) ) : ?>style="display:none"<?php endif; ?>
You can use metadata_exists();
(worked for me)for checking for any post meta and the do whatever you want.
// Check and get a post meta
if ( metadata_exists( 'post', $post_id, '_meta_key' ) ) {
$meta_value = get_post_meta( $post_id, '_meta_key', true );
}
I found this via searching for a solution myself, but it dawned on me the answer is very simple. You simply need to check if the value is empty, if it is then echo nothing - if it has content, then display the content - the code i used is below and can be tailored accordingly to anyone who needs to use it.
<?php $meta = get_post_meta( get_the_ID(), 'page-sub-title', true );
if ($meta == '') {
echo ' ';
} else {
echo '<h2>' . $meta . '</h2>';
}
?>