_preload_old_requests_classes_and_interfaces ( $to )

  • (string) to Path to old WordPress installation.
Defined at:


Preloads old Requests classes and interfaces.This function preloads the old Requests code into memory before the upgrade process deletes the files. Why? Requests code is loaded into memory via an autoloader, meaning when a class or interface is needed If a request is in process, Requests could attempt to access code. If the file is not there, a fatal error could occur. If the file was replaced, the new code is not compatible with the old, resulting in a fatal error. Preloading ensures the code is in memory before the code is updated.

Related Functions

ms_load_current_site_and_network, wp_global_styles_render_svg_filters, _wp_menu_item_classes_by_context, rest_preload_api_request, wp_get_global_styles_svg_filters

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