The load-* hook fires in a number of contexts. This hook is for plugin screens where the file to load is directly included, rather than the use of a function. The dynamic portion of the hook name, $plugin_page, refers to the plugin basename.
278* The dynamic portion of the hook name,`$plugin_page`, refers to the plugin basename.279*280* @see plugin_basename()281*282* @since 1.5.0283*/284do_action("load-{$plugin_page}");// phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores285286if(!isset($_GET['noheader'])){287require_onceABSPATH.'wp-admin/admin-header.php';288}289290if(file_exists(WPMU_PLUGIN_DIR."/$plugin_page")){
History
Introduced in 1.5.0. Unchanged from 6.7.7 through 7.1.0.