The error is occurring as the $_GET array doesn’t have the item $_GET[‘do’] in it. Therefore it throws this notice. To check if something exisits in the array try: if( isset( $_GET[‘do’] ) ) $do_that = $_GET[‘do’]; else $do_that=””; or a cleaner method would be to use short hand notation $do_that = ( isset( $_GET[‘do’] … Read more
Filter ‘the_title’ on the screen with the list table of your post type. The pattern for the initial hook is: manage_edit-post_type_name_columns. Sample code: // replace ‘post’ with the post type name you want to catch. add_filter( ‘manage_edit-post_columns’, ‘wpse_67171_title_to_url’ ); /** * Replace the default title with its permalink. * * @param string $title * @param … Read more
The pattern you posted… www.mydomain.com/image.jpg(‘custom-thumb’); … is a bit odd. That would be pretty tricky. You’d need a PHP handler to load the image and you’d need to tell the server (Apache, Nginx, IIS, Whatever) to parse that file ending as PHP. Something like this would be simpler: www.mydomain.com/image.php?size=custom-thumb You would still need to create … Read more
You can manually create pages named category and app in admin under the Pages menu, and use a custom page template for each to list out taxonomy terms or whatever you need. EDIT – 301 redirect a request that matches the pagename rewrite to another page: function wpa_parse_query( $query ){ if( isset( $query->query_vars[‘pagename’] ) && … Read more
Choice between esc_url and esc_url_raw depends on the use you have to do with the url. If you have to use the url to display inside html use esc_url, E.g.: $my_link = get_post_meta( $post->ID, ‘mod_modbox_link’, true ); echo ‘<a href=”‘ . esc_url($my_link) . ‘”>Open link</a>’ esc_url_raw should be used for any other use, where the … Read more
This can be accomplised fairly easy by checking the URL then setting the appropriate link to active. That can be accomplished by the following… var hash = window.location.hash.substr(1); // Get the text after the hash $(‘a[href=”#’ + hash + ‘”]’).addClass(‘active’); // Set the correct link to active However, there are some things to consider. Someone … Read more
That’s pretty simple, just use your website home url 🙂 After that, just fire an action when the page is loaded via POST HTTP method and hook with a callback. add_action( ‘wp_loaded’, function() { if ( $_SERVER[‘REQUEST_METHOD’] === ‘POST’ ) { // fire the custom action do_action(‘onchangeapi’, new PostListener($_POST)); } } ); And now the … Read more
How to create a custom page base on URL for WordPress?
Custom URL rewrite to specific page template
Using ‘Primary Category’ in URL