Please follow this link
https://aftabablog.wordpress.com/2016/06/16/how-to-create-a-custom-filter-in-wp/
Hope this will give you idea on how to create custom filter based on meta query
Related Posts:
- Apply the_title() filter in post & page title, but not in menu title
- Update post counts (published, draft, unattached) in admin interface
- Removing any and all inline styles from the_content()
- How does filter the_posts work?
- How to publish a post with empty title and empty content?
- How to add a “publish” link to the quick actions
- Why is wordpress removing some unicode characters (e.g. some emojis) when I save my post?
- Post Admin – Filter by posts without tags
- how to display post content without post image?
- Exclude category on blog list page
- How to remove_filter that filters iframes in posts? [duplicate]
- Filter posts by author and category simultaneously
- Filter/Remove HTML Elements on all posts and pages
- Possible to create a permalink to sort with meta_key?
- Working Bootstrap Carousel Conversion to WP – Technical Questions
- Exporting Data from WordPress into a flat table
- how “manage_posts_custom_column” action hook relate to “manage_${post_type}_columns” filter hook?
- If specific user role then sticky post
- Getting post id from wp_insert_post_data function?
- What Is meta_id In wp_postmeta?
- the_posts filter been called multiple time
- How can i do something after head like adding a hook for after head but before post
- Only display posts after current date
- Amend wordpress password function
- How can I remove posts of a certain category from homepage after a specified time period?
- Modify WP_Post before processing
- Filter Custom Post Type by Category with Ajax
- Ajax posts filter by date, comments, top views, top likes
- How to add Tags Filter in wordpress admin dashboard
- pre_get_posts query between 2 dates (date stored in custom post meta)
- Applying $posts_clauses filter to specific queries only
- how to remove dash (-) post status from post title on posts listing page wordpress
- Admin Posts Table Column Fitlering is not working for Custom Post Type
- Get latest posts from WordPress site without header, menu and sidebar
- What is the filter or hook to add admin controls to posts on the front end?
- How to hide html tags on revision comparison pages?
- Ajax post filters not working
- Default to ‘all’ view on the ‘edit-post’ screen for authors
- Display Meta Values in Custom Filter – Admin Custom Posts
- How to filter my search in post if contains a word in title, content or excerpt?
- More then one menu items are assigned with “current-menu-item” class
- Update post_content everytime a custom post is opened in backend
- Posts and Attachments with “Published” status in Search
- How to allow visitors to filter posts by multiple taxonomies
- Trying to alter the post_content through the_post
- add to end of post in the loop with plugin
- Add filter to the end of the post
- Get post content with all filters applied, knowing post id
- Adding bootstrap classes to video shortcodes
- Is it possible to filter the main loop to exclude posts from a specific category?
- query post limits
- Query posts by Author and/or by Tag
- Modify posts listing at back end
- Filtering posts on Post Administration Page by Week Number instead of by Month
- Change the default blog post post attribute template name from “default template” to something else
- Is it possible to add a shortcode below post title?
- Post filtering is returning blank page
- Intercept page request and add value to it
- Updating permalink structure using ‘post_link’ filter results in 404 error for posts
- How include css class based on post ( in loop ) slug?
- Exists filter or action that change Add New Post link?
- wp_list_categories() Exclude All Categories Except One
- Get current taxonomy and display query accordingly
- Trying to exclude custom posts based on date, while sorting by custom field
- Show only posts with titles/permalinks that do not contain certain words
- How do I display main query posts in random order using add_filter
- Rewrite image links from attachment id to attachment link
- Filter posts by month (dropdown)
- Restricting displayed posts to posts from only select authors
- the wp_post_update isn’t working all the time
- How to add a custom class attribute into code wrapper? [duplicate]
- Filtering private Posts
- How to mark only one post as Featured post?
- how to filter posts by category without page load (ajax) in wordpress?
- Remove status ‘archived’ from the default post and page view
- Dropdown Select Post Filter
- long-title posts do not want published
- How to add a block to a category page?
- Mix post date with post meta value using WP_Query
- Add view to admin menu to filter for specific criteria ( If post is child of specific Parent )
- How do i search post by jquery datepicker?
- Add id attribute to h1 element of wordpress post
- show only one category and filter by tag
- Prevent WordPress from putting around specific element
- WP_Query to get posts in a specific tag or has post_format
- Override wp_link_pages pagebreak with filter
- Printable Page with all Posts from Tag
- Hide Admin posts & pages in Dashboard
- Is it possible to completely replace a post with an action/filter?
- How to get the postID inside ‘content_save_pre’? Other hook?
- Filter question list on substring of metavalue
- Add review box by function at top or bottom of content
- Get results from the main wp_query
- Advanced Post Display/Pagination/Ordering
- How to modify specific parts of a post content in WordPress
- Keep post format class with isotope filter
- How to use in_category?
- wp_query posts sorting doesn’t work
- Add custom PHP (no-SQL) filter to WP_query
- Filters do not work when there are multiple (one works)