The post_custom() WordPress PHP function retrieves post custom meta data fields.
Usage
post_custom( $key );
Custom example:
echo post_custom('my_custom_field');
Parameters
- $key (string) (Optional) Meta data key name. Default: ”
More information
See WordPress Developer Resources: post_custom()
Examples
Display a custom field
Retrieve and display the value of a custom field called ‘author_bio’:
echo post_custom('author_bio');
Check if a custom field exists
Check if a custom field called ‘featured_image’ exists for the current post:
if (post_custom('featured_image')) {
// Custom field exists, perform an action
}
Retrieve a custom field and assign to a variable
Retrieve the value of a custom field called ‘price’ and assign it to a variable:
$price = post_custom('price');
Display a custom field with a fallback
Retrieve and display the value of a custom field called ‘rating’, or show ‘N/A’ if the field does not exist:
echo post_custom('rating') ? post_custom('rating') : 'N/A';
Retrieve and format a custom date field
Retrieve a custom date field called ‘event_date’, format it, and display the result:
$event_date = post_custom('event_date');
$formatted_date = date('F j, Y', strtotime($event_date));
echo $formatted_date;