post_<field>

The WordPress Core post field hook.

Description

apply_filters( 'post_<field>', (unknown) $value, (unknown) $post_id, (unknown) $context ); 

Parameters (3)

0. $value (unknown)
The value.
1. $post_id (unknown)
The post id.
2. $context (unknown)
The context.

Usage

To run the hook, copy the example below.
  1. $value = apply_filters( 'post_{$field}', $value, $post_id, $context ); 
  2.  
  3. if ( !empty( $value ) ) { 
  4.  
  5. // everything has led up to this point... 
  6.  
  7.  
The following example is for adding a hook callback.
  1. // define the post_<field> callback 
  2. function filter_post_field( $value, $post_id, $context ) { 
  3. // make filter magic happen here... 
  4. return $value
  5. }; 
  6.  
  7. // add the filter 
  8. add_filter( "post_{$field}", 'filter_post_field', 10, 3 ); 
To remove a hook callback, use the example below.
  1. // remove the filter 
  2. remove_filter( "post_{$field}", 'filter_post_field', 10, 3 ); 

Defined (1)

The filter is defined in the following location(s).

/wp-includes/post.php  
  1. $value = apply_filters( "post_{$field}", $value, $post_id, $context );