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How to use posts_fields_request filter in WordPress

Sandeep Kumar Mishra
Sandeep Kumar Mishra
November 20, 2022
5 minutes read

posts_fields_request filter

Filters the SELECT clause of the query.

apply_filters_ref_array( 'posts_fields_request', string $fields, WP_Query $query )

Description

This is filter hook , its the SELECT clause of the query.
Its consists of two parameters, one is $fields, second is $query.
posts_fields_request seem to control which database fields will be returned in query, it seems to default to all fields from 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.

$array = apply_filters( 'posts_fields_request', $array );                        
if ( !empty( $array ) ) {                          
   // everything has led up to this point...                          
}  

The following example is for adding a hook callback.

// define the posts_fields_request callback 
function filter_posts_fields( $array ) { 
    // make filter magic happen here... 
    return $array; 
}; 
         
// add the filter 
add_filter( 'posts_fields_request', 'filter_posts_fields', 10, 1 ); 

To remove a hook callback, use the example below.

// remove the filter 
remove_filter( 'posts_fields_request', 'filter_posts_fields', 10, 1 ); 
Sandeep Kumar Mishra

Sandeep Kumar Mishra

Sandeep Kumar Mishra writes about WordPress and Artificial Intelligence, offering tips and guides to help you master your website and stay updated with the latest tech trends.

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