Questions tagged [globals]

In PHP globals are variables that are available for every function. WordPress core defines several handfulls of global variables, such as `$post` and `wp_query`.

Filter by
Sorted by
Tagged with
0
votes
0answers
6 views

Woocommerce payment based on cart value & user-roles [closed]

I'm trying to filter payment method in woocommerce. My conditions are as follows. Only Verified Customer able to use COD Minimum $15 for COD Payment I tried this code: function filter_gateways($...
0
votes
0answers
15 views

Hide payment method based on user role AND minimum cart value

Around April this year, we have to move our business 100% online due to the pandemic. Physical store hardly get one customer per day. after 5 months, we recognizes pattern; almost all failed COD ...
9
votes
2answers
18k views

Passing variables from header.php to template and vice verca

I've defined a variable - let's call it $header_var, which is placed in the header.php file. I would like this variable to be passed onto my template file (in this case taxonomy.php). Also I would ...
1
vote
1answer
688 views

Global $post not working in OOP function WordPress

I added a custom field with comment form. Below is my code.First function return post id when using var_dump function.But the last function return NULL always. class Post_Rating_Public_Helper { ...
0
votes
0answers
12 views

Syn Member and subscription as global from WP Multisite Networking

Info: My site is Membership directory based where user sign up, buy services (subscription) and then have access to Member directory. I am using Ultimate member n addons and woocommerce Subscription ...
4
votes
2answers
1k views

Accessing $post global on a custom post type archive page

I have a custom post type called projects, and its archive is at /projects, on the archive page I get notices Notice: Trying to get property of non-object every time I try to access the $post i.e. $...
1
vote
1answer
30 views

Getting List of all registered Dashboard Widgets

I am trying to get a list of all registered meta boxes in the wordpress admin, specifically the Dashboard widgets. Now this is easily achieved with the global variable $wp_meta_boxes and does exactly ...
2
votes
2answers
4k views

Passing variables to template parts

I have one template file videos.php which has the following line of code in it (aswell as a load of HTML): <?php get_template_part('loop', 'feed-videos' ); ?> inside that template part, I have ...
0
votes
1answer
27 views

keep a variable for all pages in memory from the url

I downloaded a referrer plugin and it works fine I create my custom link and everything is fine: https://testsite.com/?r=ty5x I have a conversion system that tells me how many users have come to my ...
0
votes
1answer
2k views

Ajax Pagination on Ajax filter

Following this great tutorial I've implemented Ajax pagination with scrolling: https://www.billerickson.net/infinite-scroll-in-wordpress/. Now, I've added a second Ajax call to filter the posts by ...
0
votes
1answer
534 views

global categories - Share specific categories in wordpress multisite

I have a wordpress multisite network. So I want to share just some categories between subsites.
5
votes
2answers
1k views

Custom plugin: Trying to show saved data on frontend

I'm working on my first plugin and I have made a nice settings page which saves and works. But I have split it to few files and now I can't determine if field is checked.. I have also tried ...
5
votes
1answer
82 views

How to deal with global information without creating a Singleton class

I am trying to walk away from the Singleton pattern when it comes to develop plugins for WordPress. Why? Because I have been reading in some sources (here, here, here, here ...) and came up with the ...
0
votes
1answer
53 views

What is the global $wp object used for?

In the wordpress documentation for Global Variables, I did not find information about the $wp global variable. I found a plugin which declares the global $wp variable as follows: public function ...
0
votes
2answers
740 views

How do I pass custom shortcode-extracted variables (taxonomy) into a query function for WordPress RoyalSlider?

Plugin in question: http://dimsemenov.com/plugins/royal-slider/wordpress/ Background: This is a great plugin, and it features a 'post' version where the slider pulls content from posts. However, the ...
0
votes
1answer
23 views

What is the use of $content_width?

In the requirements of Envato I saw that they require a $content_width to be set. I searched for it on the internet but can't really understand why? I don't use it and the theme is responsive. If ...
0
votes
0answers
64 views

How to use Wordpress Global Variable in shortcode (e.g. $page)

I have shortcode that requires a postID as input: e.g. [tribe_event_inline id='123 which I want to use in a template file, so that it updates for the current page: e.g. [tribe_event_inline id=$page. ...
0
votes
2answers
132 views

Woocommerce Multisite global search how to mod ajax function?

I created an installation of my multisite ecommerce to differentiate the men's and women's departments. Often, however, it happens that in the men's department they do research related to women's ...
0
votes
2answers
6k views

Get current page id, title, url, etc

Sorry but I get lost on Wordpress's codex. I am trying to add a mail this page sharing link and want to include some info from the page. In pseudo code is this possible? <a href="mailto:?subject="....
1
vote
4answers
3k views

Global $post shows null in some of my custom post types archive pages

My english is not very good looking. I have several custom post types, 'noticias' (news) 'articulos' (articles), etc. In my functions.php i enqueue scripts and styles by post_id or post_type using a ...
0
votes
1answer
22 views

External api call and make global variable for any page visitor enters , page-home, page, single etc

I am totally new to the wordpress world so excuse me if my question is not totally clear to you... I wanted to implement the following scenario for my website, The case was to call an external api ...
0
votes
2answers
860 views

Current page id returns the incorrect value

I need to capture the current page id, execute some conditional script in footer, in my own plugin function hooks to wp_footer. Here is my plugin code, but page id returning wrong value? <?php /* ...
7
votes
3answers
5k views

What is $post_id? is it a global variable in WordPress?

How can $post_id be used while echoing posts in single.php? Is it a global variable?
0
votes
1answer
471 views

Save something to global var in add_filter

I am here again with a strange question. First, I'm using ACF plugin for adding cistom fields. My code looks somethink like that: global $testMe; $testMe = 0; function my_acf_update_value( $value, $...
1
vote
0answers
17 views

Create a new query in function.php to filter blog posts

My goal is to filter blog posts (those which are requested in the blog page - Reading settings) depending on an expiration date, and then to change their category depending on a choosen future ...
0
votes
1answer
25 views

Global $wp_admin_bar always returns null

Developing a plugin and looking to access the $wp_admin_bar global variable and it always returns null? I can output $wp_version fine? function test() { global $wp_admin_bar; var_dump($...
0
votes
0answers
128 views

WooCommerce Single Product Page Variations - SKUs Duplicating / Not Resetting

Discovered an issue with displaying SKUs on a Woocommerce single product page. I'm using two theme functions, the first displays the SKU in the upper description area, the second displays the SKU for ...
37
votes
4answers
202k views

How to set and use global variables? Or why not to use them at all

UPDATE: My original question has been solved, but this is turning into a valid discussion about why not to use global variables, so I am updating the question to reflect that. The solution was <?...
-1
votes
1answer
16 views

Suppress errors when using global function

I'm using the NinjaForms plugin which defines a Ninja_Forms() global function. Although I can call it without problem, I still get a warning/error Undefined function 'Ninja_Forms'. If this were a ...
0
votes
0answers
107 views

Insert variables into wpdb in custom post template

I'm rewriting this to try to make it easier. I am inserting into a database table information which is sent when I click on a button in the page. When I insert the data it works, unless I try to ...
0
votes
0answers
38 views

What is the correct way to obtain access to the WP_oEmbed object?

I know that WP_oEmbed is a class used by WordPress to handle oEmbeds. Is this available as a global or should I create a new instance of it? Update: I have found a function called ...
0
votes
0answers
45 views

Browser detection booleans mess. Caché plugin?

Hello, I have an issue concerning the Browser Detection Booleans. Sometimes, being in Chrome or Firefox, the page is served as being in IE, as in the attached image. Can this be related to the fact ...
2
votes
1answer
1k views

Pass variables from one widget to another widget

I wrote a widget but I need to use the variables from one widget in another...both widgets are in the same dynamic sidebar. This is what I am trying to do: I wrote a widget that adds a footer to the ...
1
vote
1answer
75 views

What is the proper method of using global $post?

I am using global $post multiple times in a class. These are my doubts Is that a bad practice? Can it result in slow websites? What's the proper way to use it inside a class class Test{ public ...
0
votes
2answers
42 views

How does WordPress make its functions globally available?

I'm trying to understand, how WP makes its countless functions globally available in any theme or plugin file(without the need to manually require any file). For instance, i've used my IDE to trace ...
0
votes
0answers
593 views

Trying to get property 'post_content' of non-object

I'm creating a wordpress theme and I created a shortcode to show an abstract of a post (the first image, title, and link) from a post (by its ID). To do this, I created a function to get the first ...
0
votes
0answers
45 views

How to access custom class methods from any include without using global

I am trying to do the following functions.php class Test { public function hello(){ return 'Hello'; } } $test = new Test(); header.php or any other include echo $test->hello();...
6
votes
5answers
8k views

Where to get information about array fields in $_REQUEST?

I just started to learn PHP and doing things with WordPress and I am a bit confused about information in Codex. Was told that Codex got all info I required but I got stuck with it. What array fields ...
0
votes
0answers
17 views

How do I get a reference to the HTML memory buffer while the page is being constructed?

I want to view & update the buffer with html "<head>" data section in it, after the head has been generated. Problem statement: I have created some shortcodes in a plug-in which, if ...
0
votes
2answers
328 views

WordPress Image Slider Looping Title Not Working

In my index page there are two slider one is working fine but the second one is giving some problems. FIRST ONE <?php global $post; $i=0; $args = array('post_per_page' => -1, 'post_type' =>...
0
votes
0answers
254 views

Ajax global variable is not getting saved (returns null)

I am trying to modify a global variable $lath , It is a shortcode. This is where i have defined it. function listing_order(){ global $lath; $lath = array('email','phone'); foreach ($lath ...
16
votes
1answer
13k views

How to pass arguments from add_settings_field() to the callback function?

I have a function like this: add_settings_field( 'contact_phone', 'Contact Phone', 'settings_callback', 'general'); That works. It calls settings_callback. Cool. The problem I have with this is: ...
0
votes
0answers
185 views

global $wp_meta_boxes returns NULL

When I call global $wp_meta_boxes; it returns null. I'm trying to calling like: class my_class() { public function __construct(){ add_action( 'wp_dashboard_setup' , array( $this , '...
9
votes
4answers
1k views

WordPress Theme variables scope

I need to create a variable that can be accessed throughout my WordPress Theme template files (index.php, header.php etc..). I know function definitions go inside the functions.php template file (in ...
1
vote
1answer
692 views

Relative redirects for posts, categories, products and product categories

I imported all content from an old site to a new one. The old site was basically a catalog of products and blog posts. However, it was all built as standard WP posts - not custom post types. The new ...
1
vote
1answer
1k views

Multisite Installation: how do I setup global search?

I run a multisite installation and my sites are bilingual. I would like to find out how I can setup global search. Are there decent plugins available that do this? Cos I'm a wordpress noob and am ...
0
votes
1answer
672 views

Global page ID variable empty error

I am creating theme and I have a need to create global variables within theme functions.php file. Currently I am doing it like this: /** * Setup globals */ global $nb_id, $nb_page; $nb_id = ...
0
votes
1answer
329 views

$GLOBALS['value1'] is not working

My custom PHP script works on my PC over localhost. But, when I upload my code to the 'live' WordPress site, The $GLOBALS values are just null even they work on my localhost. (Nothing wrong with the ...
0
votes
1answer
21 views

Creating a (global)-mapping

I'm making a mapping between page-id's and category-id's, that's being used several places. However I read from this post, that one should never use global variables if one could avoid it. But I ...
0
votes
2answers
2k views

Declare Global Variable In OOP PHP

I'm working on my Plugin & i wanted to declare one of the global wordpress variables which is $current_screen To Check whether The user is on the target page or some other page, my Approach was ...