Contents
Displaying Custom Fields in Your Templates
Custom fields are a powerful feature in content management systems—particularly in WordPress—that let you attach arbitrary metadata to posts, pages or custom post types. In this article, you’ll learn how to store, retrieve and display custom field data in your theme templates.
1. What Are Custom Fields
Custom fields, sometimes called post metadata, allow developers and authors to extend content with extra data:
- Product prices, SKU or stock status
- Review scores and ratings
- Event dates and locations
- Any arbitrary key-value pair
2. Adding Custom Fields
You can add custom fields in various ways:
- Via the default WordPress UI (“Custom Fields” meta box)
- Programmatically with
add_post_meta()orupdate_post_meta() - Using plugins like Advanced Custom Fields (ACF)
Example: Programmatic Addition
ltphp
post_id = 42
add_post_meta(post_id, price, 19.99, true)
update_post_meta(post_id, price, 24.99)
gt
3. Retrieving Custom Fields
The core function is get_post_meta():
| Function | Description |
|---|---|
get_post_meta(id, key, true) |
Returns a single value |
get_post_meta(id) |
Returns all meta as an array |
4. Displaying in Templates
Place your code within the Loop or pass a post ID to retrieve data outside the Loop. Example:
Example: Within the Loop
ltphp if ( have_posts() ) : while ( have_posts() ) : the_post() gt
lth2gtltphp the_title() gtlt/h2gtltphp
price = get_post_meta( get_the_ID(), price, true )
if ( price ) {
echo ltp style=font-weight:boldgtPrice:
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