wp_insert_post_empty_content

The WordPress Core wp insert post empty content hook.

Description

add_filter( 'wp_insert_post_empty_content', (string) $return_false, (int) $int ); 

Parameters (2)

0. $return_false (string) => '__return_false'
The return false.
1. $int (int) => 1000
The int.

Usage

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

Defined (3)

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

/wp-includes/class-wp-customize-nav-menus.php  
  1. add_filter( 'wp_insert_post_empty_content', '__return_false', 1000 ); 
  1. remove_filter( 'wp_insert_post_empty_content', '__return_false', 1000 ); 
/wp-includes/post.php  
  1. if ( apply_filters( 'wp_insert_post_empty_content', $maybe_empty, $postarr ) ) {