/sources/lib/post_parser.php

////////////
///////найти
////////////

			//---------------------------------
			// Do [CODE] tag
			//---------------------------------
			
			$txt = preg_replace( "#\[code\](.+?)\[/code\]#ies", "\$this->regex_code_tag('\\1')", $txt );

//////////////////////////
///////ниже:
//////////////////////////
			
			//---------------------------------
			// Do [PHP] tag
			//---------------------------------
			
			$txt = preg_replace( "#\[php\](.+?)\[/php\]#ies", "\$this->regex_php_tag('\\1')", $txt );

//////////////////////////////
///////найти
//////////////////////////////

			$txt = preg_replace( "#<!--c1-->(.+?)<!--ec1-->#", '[CODE]'   , $txt );
			$txt = preg_replace( "#<!--c2-->(.+?)<!--ec2-->#", '[/CODE]'  , $txt );

//////////////////////////
///////ниже
//////////////////////////

			$txt = preg_replace( "#<!--php1-->(.+?)<!--ephp1-->(.+?)<!--php2-->(.+?)<!--ephp2-->#e", "\$this->unconvert_php('\\2')", $txt );

//////////////////////////////
///////найти
//////////////////////////////

//+-----------------------------------------------------------------------------------------
//+-----------------------------------------------------------------------------------------
// UNCONVERT FUNCTIONS
//+-----------------------------------------------------------------------------------------
//+-----------------------------------------------------------------------------------------

//////////////////////////
///////ниже
//////////////////////////

	function unconvert_php($txt)
	{
		$txt = str_replace("<br />", "\n", $txt);
		$txt = str_replace("<code>", "", $txt);
		$txt = str_replace("</code>", "", $txt);
		$txt = preg_replace("#\<font(.+?)>#", "", $txt);
		$txt = str_replace("</font>", "", $txt);
		
		return '[PHP]' . $txt . '[/PHP]';
	}

//////////////////////////////
///////найти
//////////////////////////////

	function regex_code_tag($txt="") {

//////////////////////////
///////выше
//////////////////////////

	/**************************************************/
	// regex_php_tag: Builds this php tag HTML
	// 
	/**************************************************/
	
	function regex_php_tag($txt="") {
		global $ibforums;
		
		$default = "\[php\]$txt\[/php\]";
		
		if ($txt == "") return;
		
		// Too many embedded code/quote/html/sql tags can crash Opera and Moz
		
		if (preg_match( "/\[(quote|code|html|sql|php)\].+?\[(quote|code|html|sql|php)\].+?\[(quote|code|html|sql|php)\].+?\[(quote|code|html|sql|php)\].+?\[(quote|code|html|sql|php)\].+?\[(quote|code|html|sql|php)\].+?\[(quote|code|html|sql|php)\]/i", $txt) ) {
			return $default;
		}
		
		$txt = @html_entity_decode($txt, ENT_QUOTES);
		$txt = str_replace("&#036;", "$", $txt);
		
		if(substr_count($txt, "?>") <= 0)
		{
			$txt = "<?php\n\n" . $txt . "\n\n?>";
		}
		
		$txt = highlight_string($txt, 1);
		
		$txt = str_replace("<code>", "", $txt);
		$txt = str_replace("</code>", "", $txt);
		
		while(preg_match("#\n$#", $txt))
		{
			$txt = preg_replace("#\n$#", "", $txt);
		}
				
		// Take a stab at removing most of the common
		// smilie characters.
		
		//$txt = str_replace( "&" , "&amp;", $txt );
		$txt = preg_replace( "#&lt;#"   , "&#60;", $txt );
		$txt = preg_replace( "#&gt;#"   , "&#62;", $txt );
		$txt = preg_replace( "#&quot;#" , "&#34;", $txt );
		$txt = preg_replace( "#:#"      , "&#58;", $txt );
		$txt = preg_replace( "#\[#"     , "&#91;", $txt );
		$txt = preg_replace( "#\]#"     , "&#93;", $txt );
		$txt = preg_replace( "#\)#"     , "&#41;", $txt );
		$txt = preg_replace( "#\(#"     , "&#40;", $txt );
		$txt = preg_replace( "#\r#"     , "<br />", $txt );
		$txt = preg_replace( "#\n#"     , "<br />", $txt );
		$txt = preg_replace( "#\s{1};#" , "&#59;", $txt );

		// Ensure that spacing is preserved
		
		$txt = preg_replace( "#\s{2}#", " &nbsp;", $txt );
		
		//fix stupid line break bug;
		$txt = preg_replace("#^\<font color=\"\#000000\">\<br />#", "", $txt);
		$txt = preg_replace("#\<br />\</font>$#", "", $txt);
		
		$html = $this->wrap_style( array( 'STYLE' => 'PHP' ) );
		
		return "<!--php1-->{$html['START']}<!--ephp1-->$txt<!--php2-->{$html['END']}<!--ephp2-->";
		
	}