$v) $val[$k] = self::raw2att($v); return $val; } else { return str_replace(array('&','"',"'",'<','>'),array('&','"',''','<','>'),$val); } } /** * @see http://www.w3.org/TR/REC-html40/types.html#type-cdata */ static function raw2htmlatt($val) { if(is_array($val)) { foreach($val as $k => $v) $val[$k] = self::raw2att($v); return $val; } else { $val = str_replace(array('&','"',"'",'<','>'),array('&','"',''','<','>'),$val); $val = preg_replace('^[a-zA-Z0-9\-_]','_', $val); $val = preg_replace('^[0-9]*','', $val); // return $val; } } static function raw2xml($val) { if(is_array($val)) { foreach($val as $k => $v) $val[$k] = self::raw2xml($v); return $val; } else { return str_replace(array('&', '<', '>', "\n"), array('&', '<', '>', '
'), $val); } } static function raw2js($val) { if(is_array($val)) { foreach($val as $k => $v) $val[$k] = self::raw2js($v); return $val; } else { return str_replace(array('"',"\n","\r", "'"), array('\"','\n','\r', "\'"), $val); } } // TODO Possible security risk: doesn't support arrays with more than one level - should be called recursively static function raw2sql($val) { if(is_array($val)) { foreach($val as $k => $v) $val[$k] = self::raw2sql($v); return $val; } else { return addslashes($val); } } /** * Convert XML to raw text * @todo Currently &#xxx; entries are stripped; they should be converted */ static function xml2raw($val) { if(is_array($val)) { foreach($val as $k => $v) $val[$k] = self::xml2raw($v); return $val; } else { // More complex text needs to use html2raw instaed if(strpos($val,'<') !== false) return self::html2raw($val); // For simpler stuff, a simple str_replace will do else { $converted = str_replace(array('&', '<', '>'), array('&', '<', '>'), $val); $converted = ereg_replace('&#[0-9]+;', '', $converted); return $converted; } } } static function xml2js($val) { return self::raw2js(self::html2raw($val)); } static function xml2att($val) { return self::raw2att(self::xml2raw($val)); } static function xml2sql($val) { return self::raw2sql(self::xml2raw($val)); } // Convert JS to other formats static function js2raw($val) { if(is_array($val)) { foreach($val as $k => $v) $val[$k] = self::js2raw($v); return $val; } else { return str_replace(array('\"','\n','\r'), array('"',"\n","\r"), $val); } } static function js2xml($val) { return self::raw2xml(self::js2raw($val)); } static function js2att($val) { return self::raw2att(self::js2raw($val)); } static function js2sql($val) { return self::raw2sql(self::js2raw($val)); } static function xml2array($val) { return preg_split( '/\s*(<[^>]+>)|\s\s*/', $val, -1, PREG_SPLIT_DELIM_CAPTURE | PREG_SPLIT_NO_EMPTY ); } static function array2json( $array ) { $result = array(); // Debug::show($array); foreach( $array as $key => $value ) if( is_array( $value ) ) $result[] = "'$key':" . Convert::array2json( $value ); else $result[] = "'$key':'$value'"; return '{' . implode( ', ', $result ) . '}'; } /** * Create a link if the string is a valid URL * @param string The string to linkify * @return A link to the URL if string is a URL */ static function linkIfMatch($string) { if( preg_match( '/^[a-z+]+\:\/\/[a-zA-Z0-9$-_.+?&=!*\'()%]+$/', $string ) ) return "$string"; else return $string; } /** * Create a link if the string is a valid URL * @param string The string to linkify * @return A link to the URL if string is a URL */ /*static function mailtoIfMatch($string) { if( preg_match( '/^[a-z+]+\:\/\/[a-zA-Z0-9$-_.+?&=!*\'()%]+$/', $string ) ) return "$string"; else return $string; }*/ /** * Simple conversion of HTML to plaintext. * * @param $data string * @param $preserveLinks boolean * @param $wordwrap array */ static function html2raw($data, $preserveLinks = false, $wordWrap = 60, $config = null) { $defaultConfig = array( 'PreserveLinks' => false, 'ReplaceBoldAsterisk' => true, 'CompressWhitespace' => true, 'ReplaceImagesWithAlt' => true, ); if(isset($config)) { $config = array_merge($defaultConfig,$config); } else { $config = $defaultConfig; } // sTRIp style and script /* $data = eregi_replace("][^>]*)?>.*]*>","", $data);*/ /* $data = eregi_replace("][^>]*)?>.*]*>","", $data);*/ $data = preg_replace("/][^>]*)?>.*?<\/style[^>]*>/i","", $data); $data = preg_replace("/][^>]*)?>.*?<\/script[^>]*>/i","", $data); // TODO Deal with attributes inside tags if($config['ReplaceBoldAsterisk']) { $data = str_ireplace( array('','','',''), '*', $data ); } // Expand hyperlinks if( !$preserveLinks && !isset($config['PreserveLink'])) { $data = preg_replace('/]*href\s*=\s*"([^"]*)">(.*?)<\/a>/ie', "Convert::html2raw('\\2').'[\\1]'", $data); $data = preg_replace('/]*href\s*=\s*([^ ]*)>(.*?)<\/a>/ie', "Convert::html2raw('\\2').'[\\1]'", $data); /* $data = eregi_replace(']*href *= *"([^"]*)">([^<>]*)', '\\2 [\\1]', $data); */ /* $data = eregi_replace(']*href *= *([^ ]*)>([^<>]*)', '\\2 [\\1]', $data); */ } // Replace images with their alt tags if($config['ReplaceImagesWithAlt']) { $data = eregi_replace(']*alt *= *"([^"]*)"[^>]*>', ' \\1 ', $data); $data = eregi_replace(']*alt *= *([^ ]*)[^>]*>', ' \\1 ', $data); } // Compress whitespace if($config['CompressWhitespace']) { $data = ereg_replace("[\n\r\t ]+", " ", $data); } // Parse newline tags $data = ereg_replace("[ \n\r\t]*<[Hh][1-6]([^A-Za-z0-9>][^>]*)?> *", "\n\n", $data); $data = ereg_replace("[ \n\r\t]*<[Pp]([^A-Za-z0-9>][^>]*)?> *", "\n\n", $data); $data = ereg_replace("[ \n\r\t]*<[Dd][Ii][Vv]([^A-Za-z0-9>][^>]*)?> *", "\n\n", $data); $data = ereg_replace("\n\n\n+","\n\n", $data); $data = ereg_replace("<[Bb][Rr]([^A-Za-z0-9>][^>]*)?> *", "\n", $data); $data = ereg_replace("<[Tt][Rr]([^A-Za-z0-9>][^>]*)?> *", "\n", $data); $data = ereg_replace("][^>]*)?> *", " ", $data); $data = preg_replace('/<\/p>/i', "\n\n", $data ); // Replace HTML entities $data = preg_replace("/&#([0-9]+);/e", 'chr(\1)', $data); $data = str_replace(array("<",">","&"," "), array("<", ">", "&", " "), $data); // Remove all tags (but optionally keep links) // strip_tags seemed to be restricting the length of the output // arbitrarily. This essentially does the same thing. if( !$preserveLinks ) { $data = preg_replace('/<\/?[^>]*>/','', $data); } else { $data = strip_tags($data, ''); } return trim(wordwrap(trim($data), $wordWrap)); } /** * There are no real specifications on correctly encoding mailto-links, * but this seems to be compatible with most of the user-agents. * Does nearly the same as rawurlencode(). * Please only encode the values, not the whole url, e.g. * "mailto:test@test.com?subject=" . Convert::raw2mailto($subject) * * @param $data string * @return string * @see http://www.ietf.org/rfc/rfc1738.txt */ static function raw2mailto($data) { return str_ireplace( array("\n",'?','=',' ','(',')','&','@','"','\'',';'), array('%0A','%3F','%3D','%20','%28','%29','%26','%40','%22','%27','%3B'), $data ); } //////////////////////////////////////////////////////////////////////////////////////////////// // Deprecated /** * Converts the given val from a raw string into HTML. * has support for multibyte charaters. * * @param $val the string you wish to convert * @return the HTML version of the string */ static function raw2html($val) { user_error("Convert::raw2html is deprecated. Used Convert::raw2xml instead", E_USER_WARNING); return self::raw2xml($val); } static function html2plain($val){ user_error("html2plain is deprecated. Use xml2raw instead.", E_USER_WARNING); return self::html2raw($val); } static function html2text($val, $preserveLinks = false) { user_error("html2text is deprecated. Use xml2raw instead.", E_USER_WARNING); return self::html2raw($val); } static function raw2reserveNL($val){ user_error("Convert::raw2reserveNL is deprecated. Used Convert::raw2xml instead", E_USER_WARNING); return self::raw2xml($val); } static function raw2attr($val) { user_error("raw2attr is deprecated. Use raw2att instead.", E_USER_WARNING); return self::raw2att($val); } } ?>