As long as hooks don’t have anything hooked to them they are no-ops, that is do nearly nothing and have no considerable effect on runtime. It gets quite different when things are hooked and there are a lot of calls. Since you talk about customizing strings the good example would be gettext hook in core. … Read more
If you have a large number of users to delete, you might consder using the wp user delete wp-cli command to avoid script timeouts. Here’s an example of a SQL query to delete all users without posts of any type and status. You can therefore try this untested one-liner: wp user delete $(wp db query … Read more
The embed_oembed_html filter runs before an oEmbed resource’s HTML is outputted, so you could hook into this and wrap the output in a div as below. I can’t think of a simple way of wrapping the other content. add_filter(’embed_oembed_html’, ‘my_embed_oembed_html’, 99, 4); function my_embed_oembed_html($html, $url, $attr, $post_id) { return ‘<div id=”video”>’ . $html . ‘</div>’; … Read more
it might not be the exact answer you’re after but i think i just found a pretty good workaround. Iv’e taken the following code from the twenty-eleven theme CSS (who’s neatly responsive imho): /* Images */ .entry-content img, .comment-content img, .widget img { max-width: 97.5%; /* Fluid images for posts, comments, and widgets */ } … Read more
Using a global variable will work. Here’s a demonstration: function wpse_shortcode_function( $atts ){ // User provided values are stored in $atts. // Default values are passed to shortcode_atts() below. // Merged values are stored in the $a array. $a = shortcode_atts( [ ‘id’ => false, ], $atts ); // Set global variable $value using value … Read more
After a lot of messing around with this, I think I found a fairly good solution here. I realize this is over a year after you asked but this was bothering me and I couldn’t find a good solution until now. The problem is that the get_post_metadata function doesn’t allow you to access the current … Read more
Problem: The problem with your current snippet is that you are just checking the global main query object, no matter what the current query object is. Workaround: Note that the second input argument for the posts_where filter callback, is the current query object. Use that to determine if it’s the main search query on the … Read more
There’s some confusion here, because not all of these are validation, there are 2 others that are necessary to understand what’s appropriate: validation sanitisation escaping Sanitisation Sanitisation makes things clean and well formed This cleans up the data, e.g. trimming trailing spaces, removing letters in a number field, making an all lowercase field all lowercase, … Read more
There is my solution – tehere is my solution of this problem: Preserving tabs and line breaks in <pre><code> when switching from HTML to Visual Editor
Adding a custom endpoint is pretty straightforward. I also modified the url to look more like http://example.com/wp-json/namespace/v2/posts?filter[meta_value][month]=12&filter[meta_value][year]=2015 function wp_json_namespace_v2__init() { // create json-api endpoint add_action(‘rest_api_init’, function () { // http://example.com/wp-json/namespace/v2/posts?filter[meta_value][month]=12&filter[meta_value][year]=2015 register_rest_route(‘namespace/v2’, ‘/posts’, array ( ‘methods’ => ‘GET’, ‘callback’ => ‘wp_json_namespace_v2__posts’, ‘permission_callback’ => function (WP_REST_Request $request) { return true; } )); }); // handle the request … Read more