post-meta

How to add meta data to WordPress posts?

I assume you are trying to add metadata to the header, such as Open Graph. To do so, you can hook into wp_head and output your content there directly. Add this piece of code to your theme’s (or your child theme’s) functions.php file: //Hook to wp_head add_action(‘wp_head’,’add_my_metadata’); function add_my_metadata(){ // Echo any content your wish … Read more

meta_post_meta return value 1

get_post_meta takes 3 params, not two: get_post_meta( int $post_id, string $key = ”, bool $single = false ) As you can see, the third param is false by default. It means, that if you don’t pass it, the function will return an array with all custom fields for that key. If you have only one meta field with key prep_time, you’ll get: Array( … Read more

WP_POSTMETA changes site crash

You shouldn’t change serialised PHP data structures directly. Serialised data contains the length of each value, and by changing a section of text, that length is no longer correct, and PHP runs into a fatal error and crashes. I don’t know what you are doing, but you should not modify serialised PHP strings manually.

order by multiple meta_keys?

This line is wrong: ‘meta_key’ => ‘adminscore’ + ‘user_like’ + ‘_count-views_all’ + ‘comment_count’, ‘meta_key’ only accepts string value. What you need is an additional meta key, e.g. “totalscore” that holds the total value of the scores you have for all the meta values. You can manually run a php function that calculates and store the … Read more

How to echo get_post_meta (Fluent-Framework)

Okay as you added output of array. You can use the following to get the result. This will print the value of test meta key. <button><?php $my_meta = get_post_meta( $post->ID, ‘test’, true ); echo $my_meta[“test”]; ?></button> if your meta key is custom-name then you can get it like this. <?php $my_meta = get_post_meta( $post->ID, ‘custom-name’, … Read more

Best way to save postmeta

Your approach is good, you should run a basic check against the data tough. Otherwise you might get an array or a serialized object … which might lead to unexpected consequences (including security issues!) when you or someone else is trying to print the values. Maybe something like this is easier: $key = ‘_my_meta_key’; $value … Read more

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