A unique ID. This ID will be used to get the value
type
string
radio
Type of field
title
string
Title of the field
default
string
Default value from database, if the option doesn’t exist
subtitle
string
Subtitle to display below the title
desc
string
Description to display after the field
help
string
Text to display on right-corner (as hover/popup) the field
class
string
Extra CSS classes (space separated) to append to the field
before
string
Content to display before the field
after
string
Content to display after the field
dependency
array
Define field visibility depending on other field value
attributes
array
Extra HTML attributes to append to the field
sanitize
string
Callback function for sanitizing value
validate
string
Callback function for validating value
EXTRAS
empty_message
string
Display to empty text if options empty
options
array|string
An array of object containing key/value pairs representing the options or use a predefined options ( pages posts categories tags menus users sidebars roles post_types)