Callback to add a rel attribute to HTML A element.

Callback to add rel="nofollow" string to HTML A element.

Adds rel="nofollow ugc" string to all HTML A elements in content.

Adds slashes to only string values in an array of values.

WordPress implementation of PHP sprintf() with filters.

Retrieves the timezone of the site as a DateTimeZone object.

Retrieves the timezone of the site as a string.

If any of the currently registered image sub-sizes are missing, create them and update the image meta data.

Filters the interval for redirecting the user to the admin email confirmation screen.

Fires before the admin email confirm form.