the_meta_key

Filters the HTML output of the li element in the post custom fields list.

Description

apply_filters( 'the_meta_key', (string) $li_span_class_post_meta_key_key_span_value_li_n, (string) $key, (string) $value ); 

Parameters (3)

0. $li_span_class_post_meta_key_key_span_value_li_n — Optional. (string) => "

$key: $value

\n"

The li span class post meta key key span value li n.

1. $key (string)

Meta key.

2. $value (string)

Meta value.

Usage

To run the hook, copy the example below.

$li_span_class_post_meta_key_key_span_value_li_n = apply_filters( 'the_meta_key', $li_span_class_post_meta_key_key_span_value_li_n, $key, $value ); 
                         
if ( !empty( $li_span_class_post_meta_key_key_span_value_li_n ) ) { 
                         
   // everything has led up to this point... 
                         
} 
  

The following example is for adding a hook callback.

// define the the_meta_key callback 
function filter_the_meta_key( $li_span_class_post_meta_key_key_span_value_li_n, $key, $value ) { 
    // make filter magic happen here... 
    return $li_span_class_post_meta_key_key_span_value_li_n; 
}; 
         
// add the filter 
add_filter( 'the_meta_key', 'filter_the_meta_key', 10, 3 ); 

To remove a hook callback, use the example below.

// remove the filter 
remove_filter( 'the_meta_key', 'filter_the_meta_key', 10, 3 );