posts_fields filter
Filters the SELECT clause of the query.
apply_filters_ref_array( 'posts_fields', string $fields, WP_Query $query )
Description
This is a filter hook, and it modifies the SELECT clause of the query. It consists of two parameters: $fields and $query. The posts_fields filter controls which database fields will be returned in the query, and it usually defaults to all fields from the posts table.
Parameters
- $fields : (string) The SELECT clause of the query.
- $query : (WP_Query) The WP_Query instance (passed by reference).
Live Example
To run the hook, copy the example below.
Example 1: Basic Usage of posts_fields Filter
This example shows how to apply the posts_fields filter in a basic scenario.
$array = apply_filters( 'posts_fields', $array );
if ( !empty( $array ) ) {
// everything has led up to this point...
}
Example 2: Adding a Hook Callback
The following example demonstrates how to add a callback function to the posts_fields filter.
// define the posts_fields callback
function weplugins_filter_posts_fields( $array ) {
// make filter magic happen here...
return $array;
};
// add the filter
add_filter( 'posts_fields', 'weplugins_filter_posts_fields', 10, 1 );
Example 3: Removing a Hook Callback
To remove a callback function from the posts_fields filter, use the example below.
// remove the filter
remove_filter( 'posts_fields', 'weplugins_filter_posts_fields', 10, 1 );
Contact Us
If you need customization or have any questions, feel free to contact us.
