cf_custom_fields_pre_save_meta_key_metabox

Filter value before saving using to metabox processor.

Description

apply_filters( 'cf_custom_fields_pre_save_meta_key_metabox', (mixed) $value, (string) $slug, (int) $post_id ); 

Parameters (3)

0. $value (mixed)

The value to be saved

1. $slug (string)

Slug of field

2. $post_id (int)

The post id.

Usage

To run the hook, copy the example below.

$value = apply_filters( 'cf_custom_fields_pre_save_meta_key_metabox', $value, $slug, $post_id ); 
                         
if ( !empty( $value ) ) { 
                         
   // everything has led up to this point... 
                         
} 
  

The following example is for adding a hook callback.

// define the cf_custom_fields_pre_save_meta_key_metabox callback 
function filter_cf_custom_fields_pre_save_meta_key_metabox( $value, $slug, $post_id ) { 
    // make filter magic happen here... 
    return $value; 
}; 
         
// add the filter 
add_filter( 'cf_custom_fields_pre_save_meta_key_metabox', 'filter_cf_custom_fields_pre_save_meta_key_metabox', 10, 3 ); 

To remove a hook callback, use the example below.

// remove the filter 
remove_filter( 'cf_custom_fields_pre_save_meta_key_metabox', 'filter_cf_custom_fields_pre_save_meta_key_metabox', 10, 3 );