globals - Read For Learn

How/where is the global variable $wp_registered_widgets filled?

As you can see here, $wp_registered_widgets is defined in wp-includes/widgets.php (as expected). You should be able to debug it by doing something like this: function yoast_print_active_widgets() { global $wp_registered_widgets; echo ‘<pre>’.print_r( $wp_registered_widgets, 1 ).'</pre>’; } add_action(‘init’,’yoast_print_active_widgets’); Then you could loop through the different stages, from init, to send_headers to wp_head and see where stuff goes … Read more

Global functions on WPMU

What you are looking for is a “MU-Plugin”– “Must-Use Plugin”.. Originally these were called “Multi-User Plugins” and were intended for exactly your purpose– to provide a way for site admins to enable functionality on all sites of an installation. Create a directory at /wp-content/mu-plugins/ and put your PHP file(s) in it. WordPress will load the … Read more

after_setup_theme, Global Variable and Theme Customizer

The issue is that WP customizer submits the changes, but has not processed these yet at that point in time. If you cant wait for WP customizer to do it’s thing by using a later action, here is a solution where you get the customized information and use it to overwrite the information we had. … Read more

How to fix a “globals” issue to avoid a rejected theme?

If you’re dealing with framework that holds values in a global variable then there isn’t much you can do about it. Here is an example of wrapping the variable in a static getter. if ( ! class_exists( ‘SMOFData’ ) ): class SMOFData { static public function is( $key, $compare ) { $value = static::get( $key … Read more

How does the $post_type global variable work?

The global $post_type is usually from the public query variable of the main query $wp_query, but get_post_type() is the post type of the current $post object, within the loop. So for e.g. secondary loops this can be different. The global $post_type might not always be set, as the default post type for WP_Query is the … Read more

Will $current_user no longer be global?

The $current_user is still a valid global, however like all globals, you should avoid relying on them. If you need the current user in a function, do this instead: $current_user = wp_get_current_user(); Also be aware that this may return false if no user is logged in on the current request, while the global $current_user may … Read more

WordPress Multisite – global categories

function __add_global_categories( $term_id ) { if ( get_current_blog_id() !== BLOG_ID_CURRENT_SITE || ( !$term = get_term( $term_id, ‘category’ ) ) ) return $term_id; // bail if ( !$term->parent || ( !$parent = get_term( $term->parent, ‘category’ ) ) ) $parent = null; global $wpdb; $blogs = $wpdb->get_col( “SELECT blog_id FROM {$wpdb->blogs} WHERE site_id = ‘{$wpdb->siteid}'” ); foreach … Read more

Change global values from templates

I think you could simplify much of what you are doing just by using the global $_SESSION variable. try something like this: add_action(‘wp_head’, ‘your_session_variable’ ); function your_session_variable(){ session_start(); $gender = isset($_GET[‘gender’]) ? $_GET[‘gender’] : $_SESSION[‘gender’]; $_SESSION[‘gender’] = $gender; } Now to access the session variable from the template make sure to use session_start() before grabbing … Read more

Adding a section to admin menu for global settings

The Customization API is what you’re after. Lets you define site-wide settings for theme/plugin customization.

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