1) You can use the template search.php and searchform.php as your starting points. Creating a Search Page Codex 2) As far as the custom query goes, you can use pre_get_posts hook to test if you’re on a search page, then you get $_GET your values, edit your query accordingly. Action Reference – pre_get_posts There are … Read more
The most important question which you must ask yourself is Am I the author of the theme or plugin?. If your answer is yes, and you are responsible for the up keep of the plugin or theme, go ahead and change it and modify as you like. If your answer is no, then you should … Read more
I’ve developed a 55k product ecommerce site using WordPress with the Shopp plugin and can share what I’ve done to MySQL to eke out better performance, YMMV and some (or all) of these may not apply to your situation. Determine how much you need to increase buffers/caches by by looking at the output from a … Read more
This is indeed an error, and probably caused by the child_of argument. Because child_of requests the whole subtree of the given page (not only the direct children, but also children of those children and so on), WordPress first queries for all the pages and then selects a subset of those pages. The first query respects … Read more
add_action(“user_register”, “set_user_admin_bar_false_by_default”, 10, 1); function set_user_admin_bar_false_by_default($user_id) { update_user_meta( $user_id, ‘show_admin_bar_front’, ‘false’ ); update_user_meta( $user_id, ‘show_admin_bar_admin’, ‘false’ ); } Place in theme functions file or you can make into a plugin. Once user registers it will go and set the users admin bar prefs to false. The user can then, once logged in, set this to … Read more
W3Schools http://www.w3schools.com/ is agreat site for learning about HTML, CSS, PHP etc..
I’ve personally had limited success with the backup/restore plug-ins that are commonly available. Many times, the best backup plug-ins don’t allow for a direct restoration from a backup file. So I do things manually. It’s a bit more difficult, but far more reliable, too. Backing up with phpMyAdmin Log in to your host’s control panel … Read more
If you look in the wp_nav_menu() function, you see the items are written by walk_nav_menu_tree(), which calls Walker_Nav_Menu to do the work (unless you specified your own walker class). This class contains a method start_el() that is called for each menu item. In this function, you see that the classes are filtered through nav_menu_css_class and … Read more
First, as @Toscho implies, the get_header() and get_footer() template tags simply include files named header.php and footer.php, respectively. Both template tags are called from within template files, and you can separate content between template file (index.php) and template part file (header.php, footer.php) any way you want. So, WordPress certainly can accommodate your latter example. That … Read more
You could definitely use an MVC philosophy in the development of a plugin, but you would be really silly to try to incorporate CI or Cake in addition to WP. For instance, you could build out a plugin using the following pseudo structure (FYI, there are a ton of ways to build this, depending on … Read more