PHP Decode

<?   
class bbcode 
{ 
	public static function html ( $bbtext ) 
	{ 
		//$bbtext= str_replace('http://','https://',$bbtext); 
		return $bbtext; 
	} 
 
	public static function forum ( $bbtext ) 
	{ 
		//$bbtext= str_replace('http://','https://',$bbtext); 
		$bbtags = array( 
			'[font=Arial]' => '<font face=\'Arial\'>', '[/font]' => '</font>', 
			'[font=Comic Sans MS]' => '<font face=\'Comic Sans MS\'>', '[/font]' => '</font>', 
			'[font=Courier New]' => '<font face=\'Courier New\'>', '[/font]' => '</font>', 
			'[font=Georgia]' => '<font face=\'Georgia\'>', '[/font]' => '</font>', 
			'[font=Lucida Sans Unicode]' => '<font face=\'Lucida Sans Unicode\'>', '[/font]' => '</font>', 
			'[font=Tahoma]' => '<font face=\'Tahoma\'>', '[/font]' => '</font>', 
			'[font=Times New Roman]' => '<font face=\'Times New Roman\'>', '[/font]' => '</font>', 
			'[font=Trebuchet MS]' => '<font face=\'Trebuchet MS\'>', '[/font]' => '</font>', 
			'[font=Verdana]' => '<font face=\'Verdana\'>', '[/font]' => '</font>', 
			'[size=50]' => '<font style=\'font-size:12px;\'>', '[/size]' => '</font>', 
			'[size=85]' => '<font style=\'font-size:14px;\'>', '[/size]' => '</font>', 
			'[size=100]' => '<font style=\'font-size:16px;\'>', '[/size]' => '</font>', 
			'[size=150]' => '<font style=\'font-size:18px;\'>', '[/size]' => '</font>', 
			'[size=200]' => '<font style=\'font-size:22px;\'>', '[/size]' => '</font>', 
			'[color=#334d69]' => '<font style=\'color:#334d69;\'>', '[/color]' => '</font>', 
			'[p]' => '<p>','[/p]' => '</p>', 
			'[left]' => '<p style=\'text-align:left;\'>','[/left]' => '</p>', 
			'[right]' => '<p style=\'text-align:right;\'>','[/right]' => '</p>', 
			'[center]' => '<p style=\'text-align:center;\'>','[/center]' => '</p>', 
			'[justify]' => '<p style=\'text-align:justify;\'>','[/justify]' => '</p>', 
			'[ul]' => '<ul>','[/ul]' => '</ul>', 
			'[ol]' => '<ol>','[/ol]' => '</ol>', 
			'[li]' => '<li>','[/li]' => '</li>', 
			'[*]' => '<li>','[/*]' => '</li>', 
			'[b]' => '<b>','[/b]' => '</b>', 
			'[u]' => '<u>','[/u]' => '</u>', 
			'[i]' => '<i>','[/i]' => '</i>', 
			'[s]' => '<strike>','[/s]' => '</strike>', 
			'[sub]' => '<sub>','[/sub]' => '</sub>', 
			'[sup]' => '<sup>','[/sup]' => '</sup>', 
			'[quote]' => '<blockquote>','[/quote]' => '</blockquote>', 
			'[code]' => '<code>','[/code]' => '</code>', 
			'[table]' => '<table class="table">','[/table]' => '</table>', 
			'[tr]' => '<tr>','[/tr]' => '</tr>', 
			'[td]' => '<td>','[/td]' => '</td>', 
			'[hr]' => '<hr>', 
			 "
" => '<br/>' 
		); 
 
		$bbtext = str_ireplace(array_keys($bbtags), array_values($bbtags), $bbtext); 
 
		$bbextended = array( 
			"/\[list=1\](.*?)\[\/list\]/si" => "<ol>$1</ol>", 
			"/\[list\](.*?)\[\/list\]/si" => "<ul>$1</ul>", 
			"/\[url](.*?)\[\/url]/si" => "<a href=\"http://$1\" title=\"$1\" class=\"ticketLink\">$1</a>", 
			"/\[url=(.*?)\](.*?)\[\/url\]/si" => "<a href=\"$1\" title=\"$1\" class=\"ticketLink\">$2</a>", 
			"/\[img\]([^[]*)\[\/img\]/si" => "<img src=\"$1\" alt=\" \" style=\"max-width:560px;\" />", 
			"/\[video\]([^[]*)\[\/video\]/si" => "<iframe src=\"http://www.youtube.com/embed/$1\" width=\"560\" height=\"315\" frameborder=\"0\" allowfullscreen></iframe>", 
		); 
		foreach($bbextended as $match=>$replacement){ 
			$bbtext = preg_replace($match, $replacement, $bbtext); 
		} 
		$bbtext = str_replace('
', '<br/>', $bbtext); 
		return $bbtext; 
	} 
} ?>