admin_print_scripts хук-событие . WP 2.1.0

Fires when scripts are printed for all admin pages.

add_action( 'admin_print_scripts', 'action_function_name_1951' );
function action_function_name_1951(){
	// action...
}

В файле: /wp-admin/admin-header.php

admin_print_scripts

do_action( 'admin_print_scripts' );

do_action( 'admin_print_scripts' );

do_action( 'admin_print_scripts' );

do_action( 'admin_print_scripts' );

remove_action( 'admin_print_scripts', 'print_emoji_detection_script' );

add_action( 'admin_print_scripts', 'print_emoji_detection_script' );

add_action( 'admin_print_scripts', 'print_head_scripts', 20 );