HIGHLIGHT HTML : COLORISATION DE CODE HTML

<?php
class highlight_html
{
 var $color_base = '#000000'; //Couleur du texte hors-balises
 var $color_coms = '#008000'; //Couleur des commentaires et scripts
 var $color_tags = '#000099'; //Couleur des tages (a, div, span, img, table...)
 var $color_dels = '#000099'; //Couleur des delimiteurs < et >
 var $color_atts = '#FF9900'; //Couleur des attributs (href, src, class, style...)
 var $color_vals = '#0000FF'; //Couleur des valeurs d'attributs
 
 var $option_egal = TRUE;     //Défini si le = prend la couleur de l'attribut, et les " la couleur de la valeur
 var $option_nl2br = TRUE;    //Défini si les retours de lignes doivent être remplacés par des <br />

  function color_tags($cod)
  {
   $mask = "#([a-zA-Z0-1\-_]+)=(('|\")|)(.*?)(?(3)(\\3)|( |>))#si";
   if (!$this->option_egal) $repl = "<span style='color: {$this->color_atts}'>\\1</span>=\\3<span style='color: {$this->color_vals}'>\\4</span>\\3\\6";
   if ($this->option_egal) $repl = "<span style='color: {$this->color_atts}'>\\1=</span><span style='color: {$this->color_vals}'>\\3\\4\\3</span>\\6";
   return preg_replace($mask,$repl,$cod);
  }

  function int_html($match)
  {
   $bals = array('script','style');
   if (empty($match[2])) $match[2] = '';
   $ends = "<span style='color: {$this->color_base}'>";
   return "</span><span style='color: {$this->color_dels}; font-weight: bold'>&lt;</span><span style='color: {$this->color_tags}; font-weight: bold'>$match[1]</span>".substr($this->color_tags($match[2]),0,-1)."<span style='color: {$this->color_dels}; font-weight: bold'>&gt;</span>".$ends;
  }
  
  function color_html($code)
  {$code = str_replace('<','&lt;',$code);
   $code = str_replace('&lt;!--',"</span><span style='color: {$this->color_coms}'>&lt;!--",$code);
   $code = "<span style='color: {$this->color_base}'>".preg_replace_callback("#&lt;([/a-zA-Z0-9!\?]+)(( [^>]*)?>)#si",array(&$this,'int_html'),$code)."</span>";
   if ($this->option_nl2br) $code = nl2br($code);
   return $code;
  }
}
?>