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  • Question: wp_postmeta – repeating custom field
  • Time: Asked 28 days ago
  • Modified: Asked 53 days ago
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wp_postmeta – repeating custom field

In WordPress, wp_postmeta is a database table that stores metadata for posts, pages, and other custom post types. It is used to store additional information about a post, such as custom fields.

A repeating custom field is a custom field that can have multiple values for a single post. For example, if you have a post type for a recipe, you may want to have a custom field for “ingredients,” which could have multiple values such as “flour,” “sugar,” “eggs,” etc.

To store a repeating custom field in the wp_postmeta table, you would use a unique key for each value of the custom field. For example, if the custom field key is “ingredients,” you might use “ingredients_1” for the first value, “ingredients_2” for the second value, and so on.

When retrieving the values of a repeating custom field, you would use the get_post_meta function in WordPress, which returns an array of all the values for the specified custom field key. For example:

bash
$ingredients = get_post_meta( $post_id, 'ingredients', false );

This would return an array of all the values for the “ingredients” custom field for the post with the ID $post_id. The third parameter, false, tells WordPress to return a single array of values, rather than a nested array.

Overall, using repeating custom fields can be a powerful way to store additional information about your posts in WordPress.

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