You use the “p”-argument, which looks for the wordpress Post-ID. I guess you want to search the products, that have $product_id in the meta, not for the exact post with the ID $product_id. Just remove the “p” argument from your wp_query arguments.
Related Posts:
- meta_query with meta values as serialize arrays
- Use REGEXP in WP_Query meta_query key
- compare meta_query in get_posts arguments
- Display products from specific category in shop page
- How to Compare Two Meta Fields
- Changing the meta_query of the main query based on custom query_vars and using pre_get_posts
- Getting attachments by meta value
- Order by meta_value_num DESC and meta_value ASC on WP 4.0
- Query by meta_key and order by meta_value_num return orderby date
- WP_Query not working as expected for attachments and custom meta_query
- WooCommerce: filter by parent product’s taxonomy and product variation’s meta data
- Wp_query order by multiple custom fields?
- WordPress altering my custom query, How to fix it?
- How to query ‘posts_per_page’ to display a different blog posts index template?
- Order by meta_key in custom post type doesn’t affect the query
- How to create/modfiy WP_Query to search in post title OR custom field?
- Order By Multiple Meta Fields
- Advanced WP Query hogs the SQL server
- How to get user_id from wordpress database inside ajax function?
- Multiple meta queries but arrange by specific meta value order
- Order Posts by meta value AND published date
- WP_Query with multiple meta fields filter?
- How to combine meta_query and post__in in WP_Query
- What format does the meta_query TIME type require?
- How to orderby meta_value_num with dollar ($) sign
- pre_get_posts order by not working
- WP_Query filter and order by meta ordering by wrong joined table
- WP_Query last five posts, simply ordered by meta_value
- What is the random string I am seeing when I use get_query_var?
- Fetch Record based on meta key dates
- meta_query in WP_Query value is not accepting array
- Changing sort order for presentation by Jetpack infinite scroll
- meta_query not working as expected
- get posts by meta_key from inside key of post meta
- Help optimizing slow WP_Query with meta_query
- meta_value_num not ordering all items
- Meta Queries – should nesting work after WP 4.1?
- Filter and Order by Multiple Custom Meta Values
- Meta Query relation “AND” then set array accordingly
- 2 weeks ago from meta query meta value
- Query posts with “non set” meta value
- Query with meta_query and tax_query together not working properly
- Array as ‘key’ in WP_Query
- Ordering a mysql style datetime stamp with meta_query
- Is it possible to query a custom field where the value is between two fields?
- Filter posts by comparing custom meta value against postdate
- Wp_query with 2 meta keys and array of meta values
- meta_query: check if number exists
- Searching for meta_key returns 0 posts
- meta_query fails to compare on values containing apostrophes
- Check if searched number is within the post meta value
- add_query_arg to compare and display events from a certain date
- WP Query / Meta Query [duplicate]
- Query posts by searching for a string in a meta field
- WP_Query not returning correct result with meta_query parameter
- Query multiple post types, but different order for each
- How to add date_query to meta_query array
- Order by the first array within a meta_query
- Query ACF relationship field – Comparator IN – Value array
- Query on meta values and post title
- Multiple nested meta queries
- How to _GET multiple value checkbox WP_Query in Custom Toxonomy / Custom Fields
- How do i create a custom post query when the meta value is an array?
- How can I modify the query by adding to the existing query?
- Custom Meta Query doesn’t work the same on two site
- WP Query – grouping posts by same meta key, adding together values from another key
- How to do WP_User_Query for Nested Array value Inside Nested Array field
- Query for current post
- WordPress Query custom ordering by temporary variable
- Custom query to retrieve oldest post and retrieve others with date interval
- Comparing Meta Field date in WPQuery using Meta_Query?
- How to create better WP_Query to look for date time which is anywhere between two meta values?
- Very slow query generated getting meta data from posts
- Order by Date Custom Field
- Filtering WP_Query based on wp_postmeta keys values
- WP Query. Ordering posts by another post types meta
- Complex Meta Query
- Multiple meta_query not working
- compare for multiple meta values for same key in wp_query
- datetime picker, timestamps and meta queries
- WP_Query with meta_query won’t orderby
- meta_query only check if both value are set
- Get posts meta_query by repater field
- Query 3 meta_key and orderby
- wp_query sorting – one specific meta_key value at last and then sort by create date
- Extending WP Query: Custom geolocation meta values work, but tax_query breaks
- meta_query not working with the_content()
- Using custom field as ‘orderby’ value causing post grouping by publish date
- Get closest event where meta_key field is an array
- Set right order for query that returns posts based on two custom fields
- Meta_query weird behaviour
- Looking for a way to exclude frontpage and nav menu from query filter
- Creating Custom Query
- Get posts by meta value except one post [closed]
- WP_Query by meta key not returning any posts
- Using ‘meta_query’ with the ‘pre_get_posts()’ hook disables searching for post titles
- Get posts using multiple values from ACF checkbox as meta query wordpress
- get_post_meta bringing back results, but $wpdb->postmeta doesn’t
- Custom query with custom filtering returning incorrect results
- WP Query returning all posts when Meta_query is null