Developer Mode

The Developer Mode allow you to view all Posts, Terms, Users & Options custom meta data in a readable format. This feature is very useful to check what is actually saved in any WordPress Object.

Getting Started

To enable the Developer Mode, you’ll have to set the following constant in your theme functions.php file:

// Developer Mode
define('ACFE_dev', true);

// OR:

add_action('acf/init', 'my_acf_init');
function my_acf_init(){

    acfe_update_setting('dev', true);
    // Or:
    acf_update_setting('acfe/dev', true);



  • Print Arrays & Json values
  • Delete/Bulk delete any meta
  • ACF fields meta are grouped together
  • ACF field groups related to fields are displayed when available