The has_post_thumbnail() works for me, in WP versions 3.4.1 and other most recently. But in this logic, because the WP will publish the post even with exit or wp_die() or anything to terminate the PHP script. For prevent that the post stay with published status, you will need to update the post before terminate. Look … Read more
The filter Inside /wp-admin/menu.php, you’ll find this filter at the end of the “add css classes”-loop: apply_filters( ‘add_menu_classes’, $menu ) The function The following code attaches the right classes to the first and previous elements. It also adds the separator in between. If you need to add another separator to the end/after your group, you’ll … Read more
Yes, you can use functions from plugins in your theme. Please use the function_exists() function to make sure that the function does exit. I used the Breadcrumbs Plus in one of the themes like this: <?php if (function_exists(‘breadcrumbs_plus’)) { $breadcrumb_options = array( ‘prefix’ => ‘<div id=”breadcrumb”>’, ‘suffix’ => ‘</div>’, ‘title’ => ‘Du er her: ‘, … Read more
Although I haven’t used this personally you are probably looking at a plugin like this Seems to provide all the functionality you have requested above.
Handle all the class loading in your parent theme on a predictable action (point in time) and hook in later in your child theme. Example: add_action( ‘wp_loaded’, ‘parent_prefix_load_classes’, 10 ); function parent_prefix_load_classes() { $classes = [ ‘Extra_Comment_Walker’, ‘Extra_Nav_Menu_Walker’ ]; foreach ( $classes as $class ) { locate_template( “php/class.$class.php”, TRUE, TRUE ); } } Create instances … Read more
Include this small plugin, activate and test. A tested version in 3.6-alpha, works only on click on a thumbnail. <?php /** * Plugin Name: Remove Attachment Link-To and set to value ‘none’ */ add_action( ‘admin_footer-post-new.php’, ‘wpse_76214_script’ ); add_action( ‘admin_footer-post.php’, ‘wpse_76214_script’ ); function wpse_76214_script() { ?> <script type=”text/javascript”> jQuery(document).ready( function($) { $( ‘li.attachment’ ).live( ‘click’, function( … Read more
WordPress provides a filter called wpmu_new_blog and passes the parameter $blog_id (the ID of the new blog) and $user_id (the user, that just created that new blog) (and some more) to it. You can hook into this action to create the new pages and edit the options: <?php /** * Plugin Name: Default Site Structure … Read more
Here is what I came up with, seems to work: add_filter( ‘pre_post_tags_input’, ‘no_tags_input_create’ ); add_filter( ‘pre_post_tax_input’, ‘no_tax_input_create’ ); function no_tags_input_create($tags_input) { $output = array(); foreach( $tags_input as $tag ) if( term_exists( $tag, ‘post_tag’) ) $output[] = $tag; return $output; } function no_tax_input_create($tax_input) { if( !isset($tax_input[‘post_tag’]) ) return $tax_input; $output = array(); $tags = explode(‘,’, $tax_input[‘post_tag’]); … Read more
If you want to find out whether you’re on a specific page, post, in a category archive, etc., then core has to offer Conditional Tags for this. If you want to hook a js-script definition, then a better way to do this is the following: // Assuming that you drop your js code into a … Read more
Exactly the same code as Mridul, but different filter: function wp_70048_remove_image_sizes($sizes) { unset($sizes[‘thumbnail’]); unset($sizes[‘medium’]); unset($sizes[‘large’]); return $sizes; } add_filter(‘image_size_names_choose’, ‘wp_70048_remove_image_sizes’); Tested with WP 3.4.2