Questions tagged [variables]

A variable is a storage location and an associated symbolic name (an identifier) which contains some known or unknown quantity or information, a value. The variable name is the usual way to reference the stored value; this separation of name and content allows the name to be used independently of the exact information it represents.

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52
votes
9answers
60k views

Passing a variable to get_template_part

The WP Codex says to do this: // You wish to make $my_var available to the template part at `content-part.php` set_query_var( 'my_var', $my_var ); get_template_part( 'content', 'part' ); But how do ...
3
votes
1answer
2k views

How to var_dump nav menu items from anywhere?

I wanna preview all the fields that the nav menu $item array holds. Is there a function to fetch it from anywhere and place it inside var_dump?
7
votes
1answer
15k views

Custom page with variables in url. Nice url with add_rewrite_rule

Using WP3.1 I Have a custom page with a WP_Query and the query gets dynamic variables from the url. And i want safe variables and clean urls. Example: carpage/?carmodel=honda&location=...
15
votes
5answers
4k views

Best way of passing PHP variable between partials?

I have a variable in header.php, such as: $page_extra_title = get_post_meta($this_page->ID, "_theme_extra_title", true); Once I do: var_dump($page_extra_title); I always get NULL outside of ...
5
votes
2answers
15k views

When to use global $post and other global variables?

I am trying to understand when and why I should use the global $post variable. I have tried to do the following on a post page, outside the loop, and as expected it works. <?php ...
8
votes
1answer
15k 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 ...
6
votes
2answers
25k views

Using $_GET variables in the URL?

I need to generate a simple error message on a page by passing a variable through the URL. The URL is structured as follows: http://site.com/parent-category/category/?error=pause I'm sure it's the ...
0
votes
1answer
9k views

Passing a variable into Contact Form 7 [closed]

I have been looking for a solution to this, have seen some sort of add on called dynamic text but I don't think that suits my needs. Basically, I have a multi dimensional array. Basically what I want ...
1
vote
2answers
28k views

How to set global variable in functions.php

I want to be able to echo the URL of the featured image of a post and after looking some on the web I found the following which works fine when I put it in a loop in my front page template. <?php ...
11
votes
3answers
18k views

How to Pass External Variables to Filters/Actions

I find myself needing to pass custom data to a filter provided by a 3rd party plugin. All of the ways I've seen to do this are really complicated and hard to wrap my head around. Take this example: $...
5
votes
1answer
7k views

How to Use Wildcards in $wpdb Queries Using $wpdb->get_results & $wpdb->prepare?

I am attempting to make a custom search for BuddyPress groups. Here is my method: public function search_groups($string){ global $wpdb; $results = $wpdb->get_results($wpdb->prepare( ...
4
votes
0answers
805 views

Setting Cookie Using a Variable from the URL

I need to hand code an affiliate link (we do not want to use an existing plugin). I do not do a lot of coding, so bear with me. It seems so simple I have a link: http://www.domain.com/?code=8765 ...
3
votes
3answers
1k views

Why does Wordpress Pagination Remove the Spaces from my GET Variable?

I'm passing a GET variable at the end of my URL's as my search parameter. When I do a regular search, everything works fine: www.mysite.com/?find=my+search However, when I click over to the second ...
1
vote
2answers
2k views

Dynamic variable for custom taxonomy in loop?

I have a custom page template that loops through all custom posts with the post_type of "product_listing" AND the custom taxonomy "product_cat" of "shirts" and returns 4 posts per page (as seen below:)...
1
vote
2answers
2k views

Using variable in two functions

What would be the right way of using variable with same data in two functions? Is next approach good practice? I have a few of these variables set up in functions.php $a = array('asdf', 'asdf', '...
1
vote
3answers
2k views

Echo one category as title when post has multiple categories?

UPDATED QUESTION to be CLEARER Here's my situation: Wordpress top navigation has several menu items that jump to an array of posts within a specific category. For example, if you click "necklaces" ...
0
votes
2answers
3k views

Passing variables to new page

I'm trying to pass the variables to a new page, I made a function in my theme to get the results. Now when I use yelplist(); on the front page of my theme it gets the results and when i click on the ...
3
votes
2answers
950 views

Set cookie using GET variable

I need to set a cookie based on a GET variable so my customers can get a coupon code on our site even if they move around after selecting the coupon link. I am using the code here: Gravity Help to ...
3
votes
2answers
291 views

Access the environment of an admin page from another admin page

I've been busy thinking about a problem, and so far I didn't find a solution to it. The abstract scenario On admin page A, I would like to print the value of a (global) variable—in the context ...
1
vote
3answers
150 views

Accessing $post variable from template part

Here is a section of code that I have in a template file — to display sub-navigation if the page has child-pages: <?php // display sub-nav if page has children ?> <?php $children = get_pages(...
-1
votes
1answer
53 views

Use a Variable in update_post_meta as the $meta_key

looking at the example on wordpress.org update_post_meta( $post_id, $meta_key, $meta_value, $prev_value ); I seem to be having a problem replacing $meta_key with a variable. here is my code ...