So you’re trying to call the hide_empty_fields() and maybe_add_disclaimer_and_courtesy() methods in the Register_Impress_Shortcodes class, from within a global function, and it’s not impossible to call class methods from within such global functions, but you cannot use $this in your function because $this is only available from within a class method which is called from within … Read more
Sometimes it takes asking a question to find out the answer. function my_attachment_grid() { $args = [ ‘post_type’ => ‘attachment’, ]; add_filter( ‘post_query_args’, ‘my_filter’, 10, 1 ); do_grid( ‘post’, $args ); } function my_filter( $args ) { $defaults = [‘post_status’=>’inherit’]; $args = array_merge( $args, $defaults ); return $args; }
That’s a very good question. It goes down to the dark heart of the plugin API and best programming practices. For the following answer I created a simple plugin to illustrate the problem with easy to read code. <?php # -*- coding: utf-8 -*- /* Plugin Name: Anonymous OOP Action */ if ( ! class_exists( … Read more
How to get data with Select AJAX PHP
This is a perfect use case for Transients. In WordPress, transients are short-lived data objects. By default, they’re persisted to the database using WordPress’ built-in WP_Object_Cache object. However, you can use a variety of caching plugins (Batcache is an outstanding one that works with Memcached) to store Transients in memory. To set a transient, call … Read more
Function not being called on form submit, only blank admin-post.php page
First, consult the documentation or source code to see how many arguments are passed to the filter. We can see it has 3 in total, and the comments object is the second one, so you’ll need to have at least two. Next, you’ll want to declare the number of arguments to pass to the function … Read more
so I turn to you guys to help me see what I am doing wrong here. First thing your doing wrong is over complicating a simple effective API. Your code makes no sense. Your mixing functions that echo output with arbitrary html mark up that gets assigned to a non existing class property that nothing … Read more
Hook into ‘admin_menu’ to register menu pages. And next time prepare your question better.
You can easily use foreach to achieve that, $my_array = array(); foeach($wpArray as $row){ $my_array[$row->ID] = $row->post_name; }