Function: Escaping for XML blocks.

Function: Removes non-allowable HTML from parsed block attribute values when filtering in the post context.

Function: Callback to add a rel attribute to HTML A element.

Function: Adds `rel=”nofollow ugc”` string to all HTML A elements in content.

Function: Adds all filters modifying the rel attribute of targeted links.

Function: Removes all filters modifying the rel attribute of targeted links.

Function: Adds `rel=”noopener”` to all HTML A elements that have a target.

Function: Callback to add `rel=”noopener”` string to HTML A element.

Function: Returns arrays of emoji data.

Function: Internal helper function to sanitize a string from user input or from the database.

Function: Sanitizes a multiline string from user input or from the database.

Function: Maps a function to all non-iterable elements of an array or an object.

Function: Navigates through an array, object, or scalar, and decodes URL-encoded values

Function: Callback function for `stripslashes_deep() ` which strips slashes from strings.

Function: Retrieves the regular expression for an HTML element.

Function: Formats text for the editor.

Function: Converts invalid Unicode references range to valid range.

Function: Implements a logic tree to determine whether or not “7′.” represents seven feet, then converts the special char into either a prime char or a closing quote char.

Function: Separates HTML elements and comments from the text.

Function: Replaces characters or phrases within HTML elements only.

Function: Converts emoji characters to their equivalent HTML entity.

Function: Converts emoji to a static img element.

Function: Converts emoji in emails into static images.