SOLUTION: after_switch_theme does exactly what I intended here. It fires after the theme is switched TO your theme. One of the solutions mentioned below uses switch_theme. This does not have the desired results, since it only happens upon switching away from your theme. Here is an article that I found as reference: http://core.trac.wordpress.org/ticket/7795#comment:29 Here is … Read more
If you want display an image that is inserted into your content (a hotlinked image, for example), you must use a function like this (source): add in functions.php: function catch_that_image() { global $post, $posts; $first_img = ”; ob_start(); ob_end_clean(); $output = preg_match_all(‘/<img.+src=[\'”]([^\'”]+)[\'”].*>/i’, $post->post_content, $matches); $first_img = $matches [1] [0]; if(empty($first_img)){ //Defines a default image $first_img … Read more
If you check https://codex.wordpress.org/Function_Reference/get_template_directory_uri You will see get_template_directory_uri() returns a uri, not a server path. You should use instead the get_template_directory() function: include get_template_directory() . ‘subdir/filename.php’; For a plugin you can use the plugin_dir_path() function: include plugin_dir_path( __FILE__ ) . ‘subdir/filename.php’;
I want to disable the srcset only when calling a specific thumbnail size (for example only when calling full image size). Here are two ideas (if I understand you correctly): Approach #1 Let’s check the size from the post_thumbnail_size filter. If it matches a corresponding size (e.g. full) then we make sure the $image_meta is … Read more
I use a very rough plugin to add information about the artist and a URL to media files. It needs some tweaking (and I need the time), but it works and may demonstrate how add the extra fields and how to use them in your theme: <?php /* Plugin Name: Media Artist Field Description: Adds … Read more
The appropriate place IMHO would be a custom folder that you create inside the wp-content directory Read this before creating files: http://ottopress.com/2011/tutorial-using-the-wp_filesystem/
I’m going to post a partial answer to start the discussion in the hope of getting some helpful comments to fill in the blanks or alternative answers… Step 1: Install and Set Up boot2docker Docker only runs on Linux. So in order to use Docker on our Mac, we need to install boot2docker, which will … Read more
Leave a file with the name screenshot.png inside the root of your child theme folder and it works. The recommended image size is 600×450. The screenshot will only be shown as 300×225, but the double-sized image allows for high-resolution viewing on HiDPI displays. see on Codex
From my comment to the OP My opinion, use what you are comfortable with. If there are any performance difference it will be minute/irrelevant. My preference, use the filter To come to your real concern/question, in my opinion, the best approach will be to use the parent category ID and work from there. It will … Read more
It’s usually best to copy the existing one, name it something unique, and then add your own functionality. Copy the WP_Widget_Recent_Posts class from wp-includes/class-wp-widget-recent-posts.php into your functions.php (or, preferably, another file in your theme devoted just to widgets) and rename to something else, like My_Widget_Recent_Posts Add your functionality in there. Don’t forget to call register_widget(‘My_Widget_Recent_Posts’) … Read more