query - Read For Learn

How can I get posts by 2 meta keys, prioritising one of them?

Displaying different content depending on variable

Well, if you don’t want to use two pages, then you have two options – load content via AJAX, or use javascript to hide some of the content (for example imperial units related content). Second option is much more easier in my opinion, but it may slow down your page, so it’s not recommended when … Read more

custom sorting media with multiple filters – error: not unique table/alias: wp_postmeta

Okay, I found the problem by debugging the query. It was a generic LEFT JOIN added with the posts_join filter that has not alias the $wpdb->postmeta table which finally leads to the error. So the sorting is working now without problems.

How to grab data after wp user search is complete

Displaying all posts by category and showing content on click

how tho change number of posts in loop from specific categories

I found this item, that might be a good start; but the difference is that we need not to specify each specific category, the basic must be, one itme of all recent posts. how tho change number of posts in loop from specific categories

Insert NULL value using prepare()

the quick solution I found is to str_replace empty value. /* Query */ global $wpdb; $tablename = $wpdb->prefix . ‘data’; $sql = $wpdb->prepare( ” UPDATE $tablename SET `date` = %s, WHERE id= %d “, $_POST[‘date’], $_POST[‘id’] ); // SQL = UPDATE prefix_data SET `date` = ” WHERE id = 1 $sql = str_replace(“””,’NULL’, $sql); // … Read more