I have a custom Post type called product which has a Methabox with a Custom Field Called Price I entered $ for some of the products and I need to remove them from the WP table. Now can you please let me know how I can do that? I mean I need to know which table is storing the data from Metaboxes?


add_action( 'add_meta_boxes', 'product_details_mtbox' );

function product_details_mtbox()

 foreach( $post_types as $post_type ){
        "Product Details ",

  • It makes more sense to call them post meta, it's only in the GUI they're referred to as custom fields
    – Tom J Nowell
    Nov 17, 2015 at 0:54

3 Answers 3


In case you use native custom fields, you should look for them in wp_postmeta table (your table prefix can be different than 'wp').

  • Hi Mateusz Marchel, thanks for reply but the wp_postmeta has not any data about price!
    – Behseini
    Nov 17, 2015 at 0:31
  • How do you add custom post type? If you use some plugin to add this post type it can store fields in different way. For example woocommerce use wp_postmeta to store price values. Nov 17, 2015 at 0:37
  • I have made a very simple plugin by myself for adding the CPT to theme
    – Behseini
    Nov 17, 2015 at 0:38
  • So how do you store your custom field? Could you provide some code? Nov 17, 2015 at 0:39
  • 1
    Well... yes. You write it to wp_postmeta. Just select all meta values where post_id is your post_id and check. Nov 17, 2015 at 0:46

Custom fields, aka. custom post meta fields, are stored in the wp_postmeta table.

Use this code to update your metas rather then going through the table. Modify the condition to target a certain post or a certain meta value:

$args = array('post_type' => 'product'); $query = new WP_Query( $args ); foreach($query->posts as $post) { $meta = get_post_meta($post->ID, 'price', true); if ($post->ID == '85' && $meta == '$') { // Set search condition here update_post_meta($post->ID, 'price', '100'); //change meta value here } }


If you made the plugin yourself, you really should know where you are storing the data.

Mateusz is correct, in that custom fields are normally stored in the postmeta table.

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