Function: Navigates through an array, object, or scalar, and sanitizes content for allowed HTML tags for post content.

Function: Strips all HTML from a text string.

Function: Adds all KSES input form content filters.

Function: Removes all KSES input form content filters.

Function: Sets up most of the KSES filters for input form content.

Function: Callback for `wp_kses_normalize_entities()` regular expression.

Function: Determines if a Unicode codepoint is valid.

Function: Converts all numeric HTML entities to their named counterparts.