Declare $a as a global variable, just as you have with $post:
global $post, $a;
(Keep in mind, you may collide with other variables, since your var name is not really all that unique)
Related Posts:
- Get term count on a category page
- 500 error after upgrading from 5.0 to 5.4 and adding empty functions.php
- I want to add the alt attribute to all the photos!
- How do I add schema markup to individual WordPress posts without using plugins?
- syntax error, unexpected ‘$id’ (T_VARIABLE) – where is the issue though? [closed]
- how to handle multiple forloop?
- Add product to cart from functions.php
- Parse error: syntax error, unexpected ‘endforeach’ (T_ENDFOREACH) in [closed]
- Need to use an external variable inside a function
- Owl Carousel and WordPress Integration Via WP_Enqueue
- Woocommerce – Checkout error message
- Add custom css to theme
- Trying to get this function to show below the content
- Removing Facebook contact field from user contact not working
- add variable to actions/functions across different files (woocommerce)
- How do grab the main loop, with conditions, and output via shortcodes
- Why functions metaboxes is causing White Screen in Admin [closed]
- Rename file after title , one small problem
- Help finishing script to export WP user data when form submitted
- is_preview() always return false
- How do I add functionality to images?
- Adding and updating repeating custom field meta data
- How do I make my child theme’s CSS update when I save it?
- replacing words to “…” [closed]
- Display function from functions.php in tag.php
- AJAX values converted to PHP Variables?
- How can I customize the size of the header of my theme?
- reusing code in function and running it with loop
- Sessions in word press [duplicate]
- How to hook wp_mail to add a custom email as BCC for each sent email?
- Custom Post Type Search
- Explode Array from Repeatable Custom Field
- Directing to functions.php the correct way
- Retrieving next_post_link() and previous_post_link() in functions.php
- Replace & with &
- Decimal stripped from metabox number
- Which template file to edit to edit homepage in Mystile [closed]
- Getting full code of wp_list_comments instead of replacing it
- Does functions.php apply to every page?
- Make a PHP file with a function
- Getting error on function.php
- preg_replace specific Text to small latter strtolower [closed]
- Trying to decipher this code which is encoded with HTML Special Characters [closed]
- Remove Disqus JavaScript from homepage
- Which action is triggered before final output?
- Save output of the_content_rss into variable
- Changed functions.php file and now site is blank [closed]
- get_post_class() not working well
- Missing argument 2
- Creating mixture of shortcodes to use in the visual/text editor
- PHP error in shortcode [closed]
- How can I json_encode the output of my function?
- Correct php syntax to add an image in wp functions.php
- Adding function to function.php error 505 [closed]
- How I can show short content with short tag
- Why don’t ‘wp_nav_menu’ CSS classes work until a menu is created?
- How to get postId from the argument $block when register_block_type()?
- WordPress is adding pagination for all pages not only for blog page, How to remove pagination for all pages except blog/posts page?
- image_size with respect to aspect ratios
- Removing all Category pages with one exception
- PHP Notice: Function is_page was called incorrectly. Conditional query tags do not work before the query is run. Before then, they always return false
- Add a second stock display [closed]
- How to fix enqueue_styles error for a twenty-seventeen childtheme
- “woocommerce_output_related_products” not working
- Automatically delete posts that aren’t in an array
- Ads Only at one website inside multisite network – code error
- Bulk set Post Title as Tag where Tag is Empty Function
- Different ads on every website on multisite environment
- Is mytheme_post_thumbnails() still necessary?
- Get full slug for a WordPress Post
- Problem with woocommerce recalculating tax on completed orders
- comment_post function with js not running
- WordPress Custom wp mail template return full template
- Problem with removing characters “<” – WpAllImport
- My website is generating weired url parameters of paginated pages
- Comment turned Invisible
- How to create a post without link in wordpress?
- How to resize image from import image url?
- Whats the proper way to add a new user via a front end form?
- When the WP_EDITOR button is pressed, the user is prompted to select a photo from their device
- How to crop image in WordPress with aspect ratio for any size of image
- Is storing in a variable the result of a fonction a most powerful way to code an if structures in WordPress?
- Vimeo video play button color function
- multible shortcodes (for differnt values) with one function
- User’s Comments Number: Storing it in a meta field for different uses
- Load script only on selected Pages
- Show one post per author and order by custom field
- Bad value crossorigin for attribute crossorigin on element link
- Insert image between X number of posts but on specific paginated pages?
- Animated Accordion [closed]
- Text before price on WooCom
- wp_head not injecting css
- Problem with lists and “allowed_block_types” in functions.php (since WP 6.1.1)
- Warning: call_user_func_array() expects parameter 1 to be a valid callback
- Change Post status based on custom field date +1 day
- Get all users from role and add to dropdown (select) – wordpress, javascript
- How to add height and width dimensions automatically to archive descriptions
- Can’t find function which is called in a wordpress theme
- Call wordpress function through functions.php when pressing menu
- Working function() doesn’t execute when triggered by WP CRON