and
tags within them. var $skip_elements = 'p|pre|ol|ul|dl|object|table|h\d'; // Tags we want the parser to completely ignore when splitting the string. var $inline_elements = 'a|abbr|acronym|b|bdo|big|br|button|cite|code|del|dfn|em|i|img|ins|input|label|map|kbd|q|samp|select|small|span|strong|sub|sup|textarea|tt|var'; // array of block level elements that require inner content to be within another block level element var $inner_block_required = array('blockquote'); // the last block element parsed var $last_block_element = ''; // whether or not to protect quotes within { curly braces } var $protect_braced_quotes = FALSE; /** * Nothing to do here... * */ function CI_Typography() { } /** * Auto Typography * * This function converts text, making it typographically correct: * - Converts double spaces into paragraphs. * - Converts single line breaks into
tags * - Converts single and double quotes into correctly facing curly quote entities. * - Converts three dots into ellipsis. * - Converts double dashes into em-dashes. * - Converts two spaces into entities * * @access public * @param string * @param bool whether to reduce more then two consecutive newlines to two * @return string */ function auto_typography($str, $reduce_linebreaks = FALSE) { if ($str == '') { return ''; } // Standardize Newlines to make matching easier if (strpos($str, "\r") !== FALSE) { $str = str_replace(array("\r\n", "\r"), "\n", $str); } // Reduce line breaks. If there are more than two consecutive linebreaks // we'll compress them down to a maximum of two since there's no benefit to more. if ($reduce_linebreaks === TRUE) { $str = preg_replace("/\n\n+/", "\n\n", $str); } // HTML comment tags don't conform to patterns of normal tags, so pull them out separately, only if needed $html_comments = array(); if (strpos($str, '