public function wordWrap($string)
    {
        return wordwrap($string, $this->line_length, $this->break_string, $this->split_mid_word);
    }
public function wordWrap($string)
    {
        return wordwrap($string, $this->line_length, $this->break_string, $this->split_mid_word);
    }
public function wordWrap ( $ string ) { return wordwrap ( $ string , $ this -> line_length , $ this -> break_string , $ this -> split_mid_word ) ; }
Return a string wrapped either at a word, or close to the words completion
using the break_string defined on the object

@param string $string
@return none
Return a string wrapped either at a word or close to the words completion using the break_string defined on the object