Listing Parent, Child and GrandChild Categories and then the PostTitles on Page Template !

This would be the way I’d do it. Add the following to your functions.php; class Walker_Category_Posts extends Walker_Category { function start_el( &$output, $category, $depth, $args ) { parent::start_el( $output, $category, $depth, $args ); if ( $category->parent ) return $output; if ( $posts = get_posts( ‘posts_per_page=-1&no_found_rows=1&update_term_cache=0&cat=” . $category->term_id ) ) { $output .= “<ul>’; foreach ( … Read more

Programatically switch page template?

you can use template_redirect action hook to php include your maintenance mode template file using a simple option in options database. When you turn maintenance mode on add an option for example: add_option(‘maintenance_mode_on’); then with this code you check if that option is set and if so you redirect to your desired template file: function … Read more

Template Page Content Made Searchable

By default WordPress cannot search in template content. You should import your content into the data base. The plugin HTML Import 2 will help here. Another option is a separate search engine with a parser that can read the complete HTML output. The plugin Search Unleashed for example supports Apache Lucene. That’s probably too much … Read more

Page template across themes

I believe you have to make a plugin for that. The following code is based on this answer: Is it possible to define a template for a custom post type within a plugin independent of the active theme? /* Plugin Name: Universal Template Plugin URI: https://wordpress.stackexchange.com/questions/57211 Description: Uses a custom template in the plugin directory … Read more

Customize edit.php Pages listing in dashboard to show only pages with a particular template applied?

Try this: <?php // add submenu page add_action(‘admin_menu’, ‘add_template_submenu’); function add_template_submenu() { add_pages_page( ‘My Template’, ‘My Template’, ‘edit_pages’, ‘edit.php?post_type=page&template=your-template-file.php’); } // check for the template name passed in $_GET and add it to the query add_filter(‘parse_query’, ‘filter_pages’); function filter_pages($query) { global $typenow, $pagenow; if ($pagenow == ‘edit.php’ && $typenow == ‘page’ && $_GET[‘template’]) { $query->query_vars[‘meta_key’] … Read more

How to handle a missing page.php?

The only required template in a WordPress theme is the index.php. And a comments.php if comments are supported. Following the template hierarchy, all other files, including page.php, will fall back to the index.php. When a theme doesn’t have a page.php, look at the index.php. There you will find the basic structure for its content. In … Read more

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