add_<meta_type>_meta

Fires immediately before meta of a specific type is added.

Description

do_action( 'add_<meta_type>_meta', (int) $object_id, (string) $meta_key, (mixed) $meta_value ); 

The dynamic portion(s) of the hook refer to the meta object type (comment, post, or user).

Parameters (3)

0. $object_id (int)

The object id.

1. $meta_key (string)

The meta key.

2. $meta_value (mixed)

The meta value.

Usage

To run the hook, copy the example below.

// run the action 
do_action( 'add_{$meta_type}_meta', $object_id, $meta_key, $meta_value ); 

The following example is for adding a hook callback.

// define the add_<meta_type>_meta callback 
function action_add_meta_type_meta( $object_id, $meta_key, $meta_value ) { 
    // make action magic happen here... 
}; 
         
// add the action 
add_action( "add_{$meta_type}_meta", 'action_add_meta_type_meta', 10, 3 ); 

To remove a hook callback, use the example below.

// remove the action 
remove_action( "add_{$meta_type}_meta", 'action_add_meta_type_meta', 10, 3 );