Function: Sanitizes space or carriage return separated URLs that are used to send trackbacks.

Function: Adds slashes to a string or recursively adds slashes to strings within an array.

Function: Removes slashes from a string or recursively removes slashes from strings within an array.

Function: Extracts and returns the first URL from passed content.

Function: Returns the regexp for common whitespace characters.

Function: Prints the important emoji-related styles.

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

Function: i18n-friendly version of basename().