To get the current page ID outside of The Loop, you need to use get_queried_object_id(); ($wp_query-> is unnecessary). However, this will only work when you are viewing a single Page (so anything under Pages > All Pages in the back-end). If you are viewing the blog, an archive, or a category it will not be … Read more
As you are using two loops in a page, that’s why you need to reset your query. wp_reset_postdata() -> best used after custom or multiple loops created with WP_Query wp_reset_query() -> best used after a query_posts loop to reset a custom query rewind_posts() -> best for re-using the same query on the same page Get … Read more
No overriding benefit, other than collision avoidance and safeguard against unintended modification. Not sure if it makes you feel any better but WP core itself has many dependencies on global variables. I’m not saying that’s a good thing; just a fact. Also remember you have a database and functions to handle storing and retrieving options, … Read more
$content_width is used to set the default width of embeds, for situations when an element needed to specify a width. This is how WP knew the width of the main content area. However, this was back before the push for responsive design, and modern CSS with fluid embeds and responsive breakpoints. So it isn’t needed … Read more
You should never need to send a user or a form or an AJAX request directly to a plugin files URL. If you’re submitting a form, no new URL is needed at all, simply: if ( !empty( $_POST[‘formfield’] ) { // handle form submission and print thank you } else { // display form } … Read more
It is possible to do this using the function wp_get_current_user(). This function will get the contents of the WP_User class. It can be stored in a global variable: global $current_user; $current_user = wp_get_current_user(); $current_user will then become an array matching the properties of WP_User for the currently logged in user. If no user is logged … Read more
If you are using netbeans and xdebug, or have set up your debugging environment correctly then you can observe the variables, objects e.t.c as they change. To see when they are created and what is contained within objects such as wp_query or wp_rewrite your posts->ID is set once the function wp() is called in wp-blog-header.php. … Read more
Consider that when you add a metabox, nothing force you to save the value in post meta field, you can save a global option from metabox as well. function my_add_custom_box() { $screens = array( ‘post’ ); // add or replace with your cpt name foreach ( $screens as $screen ) { add_meta_box( ‘my_sectionid’, __( ‘Featured … Read more
Short answer, no. Long Answer In your comment, you explain that you’re including wp-blog-header.php in the PHP file that generates your CSS file. This is a very bad idea. When your page references your stylesheet, your browser sees the reference and makes a separate HTTP request to your server to pull it down. If the … Read more
The $current_screen is passed as a variable to callables hooked from the current_screen hook. Before this hook, the $current_screen isn’t set up, so globalizing the variable won’t do anything anyway. Also, WordPress offers the convenience function get_current_screen() that returns the global $current_screen variable if it exists. class wpse { protected $current_screen; public function load() { … Read more