Attempts to raise the PHP memory limit for memory intensive processes.

Sorts the keys of an array alphabetically.

Retrieve or display referer hidden field for forms.

HTTP request for URI to retrieve content.

Returns an array of single-use query variable names that can be removed from a URL.

Schedule a WP_Cron job to delete expired export files.

Permanently delete comments or posts of any type that have held a status of ‘trash’ for the number of days defined in EMPTY_TRASH_DAYS.

Send a JSON response back to an Ajax request.

Send a JSON response back to an Ajax request, indicating failure.

Send a JSON response back to an Ajax request, indicating success.