query

Delete query won’t run

I see no reason why $_POST[‘delete’] should not be set assuming there are no page redirects involved. I can’t tell from your code if that is the case, but it superficially appears not to be. I do see other potential problems. You are setting your form action to an empty string. While that does sometimes … Read more

The page that displays Posts on homepage

The way you are thinking wordpress is, is not like that. You can’t find the query and alter it like you do in plain PHP. There are filters and actions and a whole architecture to play with pages and posts. I suggest you to read wordpress documentation and Codex. If you are a programmer then … Read more

How to add multiple values with add_query_arg?

It’s not “smart” enough to reason that you want to modify the value, not just set it to something. You’ll need to: retrieve the current value (get_query_var() probably) change it as needed use resulting value with add_query_arg()

Print data from wordpress sql query

Okay, it’s not a simple array but a multi level array, so you can not simply use <?php echo $video->link; ?>. It wont print anything because $video array does not have any child item named link but link is the item of a child array. So if you are certain that you only need to … Read more

query grandchildren taxonomy terms

Try to use child_of at your second foreach, see the documentation. child_of (integer) Get all descendents of this term. Default is 0. Note: the difference between child_of and parent is that where parent only gets direct children of the parent term (ie: 1 level down), child_of gets all descendants (as many levels as are available) … Read more

database search feature

If you want to use WordPress you can download a custom post type plugin (such as Custom Post Type UI), create your Book post type; another plugin to generate your form for adding books (Gravity Forms + this looks good, or a similar solution, or create a form by hand). Then tweak the default WordPress … Read more

How to set value in Query Loop?

You can run multiple nested WP_Queries as long as you reset_postdata() to get the outer loop back on track. $query_args = array ( ‘posts_per_page’ => ‘1’, ‘meta_key’ => $count_today, ‘orderby’ => ‘meta_value_num’, ); $outer_query = new WP_Query( $query_args ); while( $outer_query->have_posts() ) : // conditional if if( true ) { // change the query arg … Read more

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