This class can be used to perform several types of text processing operations. It can: - Capitalize the first letter of all words of string - Count the number of non-whitespace characters, words, sentences in a string - Encode strings for displaying as HTML, in URLs, escaping quotes, as hexadecimal, as Javascript strings, and obfuscate e-mail addresses - Exclude given words from a string - Highlight PHP code - Indent strings - Limit the length of a string in number or words or characters - Strip consecutive whitespace characters - Word wrap strings