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`.

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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. $...
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62 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 ...
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95 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 ...
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Save last login date in global before change it?

I use this function to get the last time a user logged in. function jkn_last_login($user_login) { $user = get_user_by( 'login', $user_login ); global $last_login; $last_login = array(); ...
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1answer
175 views

WP 4.4.1 allow empty comments via add_action 'pre_comment_on_post'

got a question about allowing empty comments with worpdress v.4.4.1 to achieve this i use the action 'pre_comment_on_post'. in WP 4.3.1 i could do this easily: if (isset($_POST['comment']) &&...
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29 views

apply_filters to $GLOBALS

I'm building a onepage website, using the Pootle Page Building plugin. With get_page, I show every separate page on 1 page. To target the Pootle Page Builder content, I'm using the following code: $...
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64 views

Editing Global Variables from Inside Functions

I'm working on my first plugin and I have two separate functions inside to accomplish two different task. Each function is added to a different hook, one using actions and the other using filters. ...
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1answer
19 views

Settings in functions.php used by a plugin

I'm writing a simple plugin and want some settings in an array in the functions.php file. I'm thinking of adding this in the theme functions.php $test = array('haha' => 'hehe'); my_function( $...
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300 views

Access post ID in “content_save_pre”

First time poster, pardon my mistakes. I am trying to use the content_save_pre filter to grab a URL in the first line of a post and save it into a custom meta, and also set the post format as a link. ...
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1answer
185 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, $...
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key( $GLOBALS['wp_registered_sidebars'] ) is always showing the same value

I am using this code from another answer add_action( 'dynamic_sidebar', 'wpse_96681_hr' ); function wpse_96681_hr( $widget ) { static $counter = 0; // right sidebar in Twenty Ten. Adjust ...
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Global Objects and Public Methods

I'm developing a plugin and am just thinking over best practices. How common is it to have a global object? Currently on plugins_loaded I am creating a global object of my class: add_action( '...
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Pass Variable from Function to Shortcode

I realize that this may be as much of a PHP issue as a WP issue, but I'm posting it here because it does pertain to shortcodes and have some WP-specific functions mentioned. Basically, What I'm ...
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22 views

Global variables in WordPress 4.4.2

I'm not exactly sure if the latest version of WP effected my global variables, but they stopped working. I use to pass results of functions, for instance, an admin page I have where a file is uploaded ...
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35 views

passing category name from category.php to single.php

It's the first time I used WP. I just use a small portion of it, because I already had my website ready. So the only section that uses WP is the blog section. I finally was able to implement it has ...
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350 views

Wordpress ajax load more returns duplicated posts

I'm trying to load more posts from my custom post type via ajax call, it sounds like i'm doing everything alright but one thing which is causing the duplication issue. My load more button does work ...
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22 views

Can't access global scope in widgets

How to set global/static variable inside of a widget function of a widget? I use this code: class MY_Widget extends WP_Widget { function widget( $args, $instance ) { global $myvar; $...
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266 views

Setting a cookie in functions.php and it gets deleted when working on an other function

My first function gets the parameters from the URL and sets the cookies: /** Get variables from the URL and set them into the coockie **/ add_action( 'init', 'set_utm_cookie'); function ...
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65 views

Popup panel is only displaying 1 entry ignoring all others

I have a popup panel being used for when someone clicks on view bio it will display their bio along with their name and headshot. As of right now I have four members being displayed M1 M2 M3 and M4. ...
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51 views

Best way to access variables in template markup

I am making my own mini OOP wrapper for working with wordpress themes. I have a main $settings variable that contains all of the information like definitions, scripts, menus etc.. I then pass this ...
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191 views

Using custom fields globally?

I'm trying to use the value of one custom field on multiple pages and posts. I'm a newbie to PHP and custom fields so what I'm trying to accomplish could possible be done using a different method. I ...
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141 views

How to load post_meta for custom post type via Ajax

I'm trying to load a YouTube video via ajax outside the loop. I have it working on regular pages, but not anything loaded via ajax. A user would click a button, then a YouTube video will load via ajax,...
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64 views

Sessions in plugin development?

I'm developing a plugin. At present I have two files. dotmailer.php and dotmailer-add.php. I'm creating a newsletter widget. My dotmailer.php plugin adds an admin menu, with options. It allows the ...
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Global post is always custom post type last post

my global $post is always taking the object of my custom post type "advertisement". So when i'm editing e.g. "Hello world" which post id is 1, it shows me post id of the last advertisement post. If ...
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327 views

global variable not accessable inside functions

I downloaded and installed a wordpress plugin. Everthing works fine on localhost untill i uploaded the site on live server it wasn't working as intended. When i define a variable as global its value ...
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91 views

Wordpress $GLOBALS and PHP $GLOBALS

Is the php $GLOBALS associative array over written in WordPress with the WordPress $GLOBALS? I have a piece of code that uses $GLOBALS['myvariablename'] to access a global variable. It works in php, ...
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37 views

global vars in wordpress no works fine

I have 2 global vars defined inside funtions.php global $ruta_path; global $ruta_db; I want send the value of this global values to function in comments but no get works Inside comments.php i have ...