BBcode

#! /usr/bin/php
<?php
/**
 * BBcode helper class
 *
 * @package    BBcode
 * @category   Helper
 * @author     darksider3(http://www.darksider3.de)
 * @copyright  (c) 2013
 * @license    GPL v3
 */

/*@DEBUG=print_r(getArgs($_SERVER['argv']));*/

class bbcode {

  /**
   *
   * This function parses BBcode tag to wiki code
   *
   * It parses (only if it is in valid format e.g. an email must to be
   * as example@example.ext or similar) the text with BBcode and
   * translates in the relative wiki code.
   *
   * @param string $text
   * @param boolean $advanced his var describes if the parser run in advanced mode (only *simple* bbcode is parsed).
   * @return string
   */
  public static function towiki($text,$advanced=FALSE,$charset='utf8'){

    //special chars
    $text  = @htmlspecialchars($text, ENT_QUOTES);

    /**
     * This array contains the main static bbcode
     * @var array $basic_bbcode
     */
    $basic_bbcode = array(
                '[b]', '[/b]',
                '[i]', '[/i]',
                '[u]', '[/u]',
                '[s]','[/s]',
                '[list]','[/list]',
                '[*]', '[*]',
                '[]', '[]'
    );

    /**
     * This array contains the main static bbcode's WIKI
     * @var array $basic_wiki
     */
    $basic_wiki = array(
                '**', '**',
                '//', '//',
                '__', '__',
                '<s>', '</s>',
                '','',
                '  *',' ',
                '',''
    );

    /**
     *
     * Parses basic bbcode, used str_replace since seems to be the fastest
     */
    $text = str_replace($basic_bbcode, $basic_wiki, $text);

    //advanced BBCODE
    if ($advanced)
    {
      /**
       * This array contains the advanced static bbcode
       * @var array $advanced_bbcode
       */
      $advanced_bbcode = array(
                   '#\[color=([a-zA-Z]*|\#?[0-9a-fA-F]{6})](.+)\[/color\]#Usi',
                   '#\[size=([0-9][0-9]?)](.+)\[/size\]#Usi',
                   '#\[quote](\r\n)?(.+?)\[/quote]#si',
                   '#\[quote=(.*?)](\r\n)?(.+?)\[/quote]#si',
                   '#\[url\](.+)\[\/url\]#Usi',
                   '#\[url=(.+)\](.+)\[\/url\]#Usi',
                   '#\[email]([\w\.\-]+@[a-zA-Z0-9\-]+\.?[a-zA-Z0-9\-]*\.\w{1,4})\[/email]#Usi',
                   '#\[email=([\w\.\-]+@[a-zA-Z0-9\-]+\.?[a-zA-Z0-9\-]*\.\w{1,4})](.+)\[/email]#Usi',
                   '#\[img](.+)\[/img]#Usi',
                   '#\[img=(.+)](.+)\[/img]#Usi',
                   '#\[code](\r\n)?(.+?)(\r\n)?\[/code]#si'
      );

      /**
       * This array contains the advanced static bbcode's WIKI
       * @var array $advanced_WIKI
       */
      $advanced_wiki = array(
                   '',
                   '',
                   "<div class=\"quote\"><span class=\"quoteby\">Zitat:</span>\r\n$2</div>",
                   "<div class=\"quote\"><span class=\"quoteby\">Zitat von <b>$1</b>:</span>\r\n$3</div>",
                   '[[$1|$1]]',
                   '[[$1|$2]]',
                   '[[mailto: $1|$1]]',
                   '[[mailto: $1|$2]]',
                   '{{$1|$1}}',
                   '{{$1|$2}}',
                   '<code>$2</code>');
      $text = preg_replace($advanced_bbcode, $advanced_wiki,$text);
    }

    //before return convert line breaks to WIKI
    return bbcode::nl2br($text);

  }

  /**
   *
   * removes bbcode from text
   * @param string $text
   * @return string text cleaned
   */
  public static function remove($text)
  {
    return strip_tags(str_replace(array('[',']'), array('&lceil;','&rceil;'), $text));
  }

  /**
   *
   * Inserts WIKI line breaks before all newlines in a string
   * @param string $var
   */
  public static function nl2br($var)
  {
    return str_replace(array('\\r\\n','\r\\n','r\\n','\r\n', '\n', '\r'), '\\\\', nl2br($var));
  }

}
/*
 * Function that does parse all command-line Options.
 *
 */
function getArgs($args) {
 $out = array();
 $last_arg = null;
    for($i = 1, $il = sizeof($args); $i < $il; $i++) {
        if( (bool)preg_match("/^--(.+)/", $args[$i], $match) ) {
         $parts = explode("=", $match[1]);
         $key = preg_replace("/[^a-z0-9]+/", "", $parts[0]);
            if(isset($parts[1])) {
             $out[$key] = $parts[1];
            }
            else {
             $out[$key] = true;
            }
         $last_arg = $key;
        }
        else if( (bool)preg_match("/^-([a-zA-Z0-9]+)/", $args[$i], $match) ) {
            for( $j = 0, $jl = strlen($match[1]); $j < $jl; $j++ ) {
             $key = $match[1]{$j};
             $out[$key] = true;
            }
         $last_arg = $key;
        }
        else if($last_arg !== null) {
         $out[$last_arg] = $args[$i];
        }
    }
 return $out;
}
$text=getArgs($_SERVER['argv']);
if(!array_key_exists("text", $text))
  die("Cant find option --text \"[b]TEXT[/b]\"\n");
$wikitex=new bbcode;
$text=$text["text"];
$text=$wikitex->towiki($text, true);
print_r($text . "\n");
?>