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

Function: Returns an array of HTML attribute names whose value contains a URL.

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

Function: Finds all attributes of an HTML element.

Function: Builds an attribute list from string containing attributes.

Function: Determines whether an attribute is allowed.

Function: Filters one HTML attribute and ensures its value is allowed.

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

Function: Filters an inline style attribute and removes disallowed rules.

Function: Helper function to add global attributes to a tag in the allowed html list.

Function: Sanitize content with allowed HTML KSES rules.

Function: Sanitizes content for allowed HTML tags for post content.

Function: 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: Determines if a Unicode codepoint is valid.

Function: Removes any invalid control characters in a text string.

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

Function: Strips slashes from in front of quotes.

Function: Regex callback for wp_kses_decode_entities()

Function: Converts the keys of an array to lowercase.

Function: Regex callback for wp_kses_decode_entities()

Function: Handles parsing errors in `wp_kses_hair()`.

Function: Sanitize content with allowed HTML KSES rules.

Function: Sanitizes content from bad protocols and other characters.

Function: Callback for wp_kses_bad_protocol_once() regular expression.