Using WordPress ‘delete_post_meta_by_key()’ PHP function
Deletes everything from post meta matching the given meta key.
Deletes everything from post meta matching the given meta key.
Deletes a post meta field for the given post ID.
Removes directory and files of a plugin for a list of plugins.
Removes option by name. Prevents removal of protected WordPress options.
Deprecated functionality for deactivating a network-only plugin.
Renders an admin notice when a plugin was deactivated during an update.
Retrieves the date in localized format, based on a sum of Unix timestamp and timezone offset in seconds.
Adds an additional class to the PHP nag if the current version is insecure.
Adds an additional class to the browser nag if the current version is insecure.