All pastes #794905 Raw Edit

Stuff

public php v1 · immutable
#794905 ·published 2007-11-23 14:49 UTC
rendered paste body
<?php/*************************************************************************** *                              bbcode.php *                            ------------------- *   begin                : Saturday, Feb 13, 2001 *   copyright            : (C) 2001 The phpBB Group *   email                : support@phpbb.com * *   $Id: bbcode.php,v 1.36.2.41 2006/02/26 17:34:50 grahamje Exp $ * ***************************************************************************//*************************************************************************** * *   This program is free software; you can redistribute it and/or modify *   it under the terms of the GNU General Public License as published by *   the Free Software Foundation; either version 2 of the License, or *   (at your option) any later version. * ***************************************************************************/if ( !defined('IN_PHPBB') ){	die("Hacking attempt");}define("BBCODE_UID_LEN", 10);// global that holds loaded-and-prepared bbcode templates, so we only have to do// that stuff once.$bbcode_tpl = null;// MULTI BBCODE-beginfunction Multi_BBCode(){	global $template, $lang;	// DO NOT CHANGE THIS ARRAY	$hotkeys = array('', 'd', 'e', 'g', 'h', 'j', 'k', 'm', 'n', 'r', 't', 'v', 'x', 'y', 'z', '1', '2', '3', '4', '5', '6', '7', '8', '9', '0');	// NOTE: the first element of each array must be ''   Add new elements AFTER the ''	$EMBB_widths = array('') ;	$EMBB_values = array('') ;		$max_rows = ((count($EMBB_values)-1)/9) ;	$max_rows = ($max_rows*9 == count($EMBB_values)) ? $max_rows : $max_rows+1 ;	$code_count = 1 ;	for($i = 1; $i <= $max_rows; $i++)	{		$template->assign_block_vars('BBCODE_ROW', array(			'ROW_ID' => $i,		));				for($element = 0; $element < 9; $element++)		{			$val = ($code_count*2)+16;						if ( $code_count < count($EMBB_values))			{							$help_lang = ( !empty($lang['bbcode_help'][(strtolower($EMBB_values[$code_count]))]) ) ? $lang['bbcode_help'][(strtolower($EMBB_values[$code_count]))] : $lang['bbcode_help'][$EMBB_values[$code_count]];								$template->assign_block_vars('BBCODE_ROW.BBCODE', array(					'KEY'	=> $hotkeys[$code_count],					'NAME'	=> "addbbcode$val",					'HELP'	=> sprintf($help_lang, $hotkeys[$code_count]), 					'WIDTH'	=> $EMBB_widths[$code_count],					'VALUE'	=> $EMBB_values[$code_count],					'STYLE'	=> "bbstyle($val)",				));			}						$code_count++ ;		}	}}// MULTI BBCODE-end# /** * Loads bbcode templates from the bbcode.tpl file of the current template set. * Creates an array, keys are bbcode names like "b_open" or "url", values * are the associated template. * Probably pukes all over the place if there's something really screwed * with the bbcode.tpl file. * * Nathan Codding, Sept 26 2001. */function load_bbcode_template(){	global $template;	$tpl_filename = $template->make_filename('bbcode.tpl');	$tpl = fread(fopen($tpl_filename, 'r'), filesize($tpl_filename));	// replace \ with \\ and then ' with \'.	$tpl = str_replace('\\', '\\\\', $tpl);	$tpl  = str_replace('\'', '\\\'', $tpl);	// strip newlines.	$tpl  = str_replace("\n", '', $tpl);	// Turn template blocks into PHP assignment statements for the values of $bbcode_tpls..	$tpl = preg_replace('#<!-- BEGIN (.*?) -->(.*?)<!-- END (.*?) -->#', "\n" . '$bbcode_tpls[\'\\1\'] = \'\\2\';', $tpl);	$bbcode_tpls = array();	eval($tpl);	return $bbcode_tpls;}/** * Prepares the loaded bbcode templates for insertion into preg_replace() * or str_replace() calls in the bbencode_second_pass functions. This * means replacing template placeholders with the appropriate preg backrefs * or with language vars. NOTE: If you change how the regexps work in * bbencode_second_pass(), you MUST change this function. * * Nathan Codding, Sept 26 2001 * */function prepare_bbcode_template($bbcode_tpl){	global $lang;	$bbcode_tpl['olist_open'] = str_replace('{LIST_TYPE}', '\\1', $bbcode_tpl['olist_open']);	$bbcode_tpl['color_open'] = str_replace('{COLOR}', '\\1', $bbcode_tpl['color_open']);	$bbcode_tpl['size_open'] = str_replace('{SIZE}', '\\1', $bbcode_tpl['size_open']);	$bbcode_tpl['quote_open'] = str_replace('{L_QUOTE}', $lang['Quote'], $bbcode_tpl['quote_open']);	$bbcode_tpl['quote_username_open'] = str_replace('{L_QUOTE}', $lang['Quote'], $bbcode_tpl['quote_username_open']);	$bbcode_tpl['quote_username_open'] = str_replace('{L_WROTE}', $lang['wrote'], $bbcode_tpl['quote_username_open']);	$bbcode_tpl['quote_username_open'] = str_replace('{USERNAME}', '\\1', $bbcode_tpl['quote_username_open']);	$bbcode_tpl['code_open'] = str_replace('{L_CODE}', $lang['Code'], $bbcode_tpl['code_open']);        $bbcode_tpl['php_open'] = str_replace('{L_PHP}', $lang['php'], $bbcode_tpl['php_open']);	$bbcode_tpl['img'] = str_replace('{URL}', '\\1', $bbcode_tpl['img']);	// We do URLs in several different ways..	$bbcode_tpl['url1'] = str_replace('{URL}', '\\1', $bbcode_tpl['url']);	$bbcode_tpl['url1'] = str_replace('{DESCRIPTION}', '\\1', $bbcode_tpl['url1']);	$bbcode_tpl['url2'] = str_replace('{URL}', 'http://\\1', $bbcode_tpl['url']);	$bbcode_tpl['url2'] = str_replace('{DESCRIPTION}', '\\1', $bbcode_tpl['url2']);	$bbcode_tpl['url3'] = str_replace('{URL}', '\\1', $bbcode_tpl['url']);	$bbcode_tpl['url3'] = str_replace('{DESCRIPTION}', '\\2', $bbcode_tpl['url3']);	$bbcode_tpl['url4'] = str_replace('{URL}', 'http://\\1', $bbcode_tpl['url']);	$bbcode_tpl['url4'] = str_replace('{DESCRIPTION}', '\\3', $bbcode_tpl['url4']);	$bbcode_tpl['email'] = str_replace('{EMAIL}', '\\1', $bbcode_tpl['email']);	define("BBCODE_TPL_READY", true);	return $bbcode_tpl;}/** * Does second-pass bbencoding. This should be used before displaying the message in * a thread. Assumes the message is already first-pass encoded, and we are given the * correct UID as used in first-pass encoding. */function bbencode_second_pass($text, $uid){	global $lang, $bbcode_tpl;	$text = preg_replace('#(script|about|applet|activex|chrome):#is', "\\1&#058;", $text);	// pad it with a space so we can distinguish between FALSE and matching the 1st char (index 0).	// This is important; bbencode_quote(), bbencode_list(), and bbencode_code() all depend on it.	$text = " " . $text;	// First: If there isn't a "[" and a "]" in the message, don't bother.	if (! (strpos($text, "[") && strpos($text, "]")) )	{		// Remove padding, return.		$text = substr($text, 1);		return $text;	}	// Only load the templates ONCE..	if (!defined("BBCODE_TPL_READY"))	{		// load templates from file into array.		$bbcode_tpl = load_bbcode_template();		// prepare array for use in regexps.		$bbcode_tpl = prepare_bbcode_template($bbcode_tpl);	}	// [CODE] and [/CODE] for posting code (HTML, PHP, C etc etc) in your posts.		// [CODE]code[/CODE] and [PHP]code[/PHP] for posting code (HTML, PHP, C etc etc) in your posts.   if ( eregi( "\[code", $text ) )	  $text = bbencode_second_pass_code($text, $uid, $bbcode_tpl);   else if ( eregi( "\[php", $text ) )   	$text = php_code($text, $uid, $bbcode_tpl);     // [QUOTE] and [/QUOTE] for posting replies with quote, or just for quoting stuff.	$text = str_replace("[quote:$uid]", $bbcode_tpl['quote_open'], $text);	$text = str_replace("[/quote:$uid]", $bbcode_tpl['quote_close'], $text);	// New one liner to deal with opening quotes with usernames...	// replaces the two line version that I had here before..	$text = preg_replace("/\[quote:$uid=\"(.*?)\"\]/si", $bbcode_tpl['quote_username_open'], $text);	// [list] and [list=x] for (un)ordered lists.	// unordered lists	$text = str_replace("[list:$uid]", $bbcode_tpl['ulist_open'], $text);	// li tags	$text = str_replace("[*:$uid]", $bbcode_tpl['listitem'], $text);	// ending tags	$text = str_replace("[/list:u:$uid]", $bbcode_tpl['ulist_close'], $text);	$text = str_replace("[/list:o:$uid]", $bbcode_tpl['olist_close'], $text);	// Ordered lists	$text = preg_replace("/\[list=([a1]):$uid\]/si", $bbcode_tpl['olist_open'], $text);	// colours	$text = preg_replace("/\[color=(\#[0-9A-F]{6}|[a-z]+):$uid\]/si", $bbcode_tpl['color_open'], $text);	$text = str_replace("[/color:$uid]", $bbcode_tpl['color_close'], $text);	// size	$text = preg_replace("/\[size=([1-2]?[0-9]):$uid\]/si", $bbcode_tpl['size_open'], $text);	$text = str_replace("[/size:$uid]", $bbcode_tpl['size_close'], $text);	// [b] and [/b] for bolding text.	$text = str_replace("[b:$uid]", $bbcode_tpl['b_open'], $text);	$text = str_replace("[/b:$uid]", $bbcode_tpl['b_close'], $text);	// [u] and [/u] for underlining text.	$text = str_replace("[u:$uid]", $bbcode_tpl['u_open'], $text);	$text = str_replace("[/u:$uid]", $bbcode_tpl['u_close'], $text);	// [i] and [/i] for italicizing text.	$text = str_replace("[i:$uid]", $bbcode_tpl['i_open'], $text);	$text = str_replace("[/i:$uid]", $bbcode_tpl['i_close'], $text);	// Patterns and replacements for URL and email tags..	$patterns = array();	$replacements = array();	// [img]image_url_here[/img] code..	// This one gets first-passed..	$patterns[] = "#\[img:$uid\]([^?](?:[^\[]+|\[(?!url))*?)\[/img:$uid\]#i";	$replacements[] = $bbcode_tpl['img'];	// matches a [url]xxxx://www.phpbb.com[/url] code..	$patterns[] = "#\[url\]([\w]+?://([\w\#$%&~/.\-;:=,?@\]+]+|\[(?!url=))*?)\[/url\]#is";	$replacements[] = $bbcode_tpl['url1'];	// [url]www.phpbb.com[/url] code.. (no xxxx:// prefix).	$patterns[] = "#\[url\]((www|ftp)\.([\w\#$%&~/.\-;:=,?@\]+]+|\[(?!url=))*?)\[/url\]#is";	$replacements[] = $bbcode_tpl['url2'];	// [url=xxxx://www.phpbb.com]phpBB[/url] code..	$patterns[] = "#\[url=([\w]+?://[\w\#$%&~/.\-;:=,?@\[\]+]*?)\]([^?\n\r\t].*?)\[/url\]#is";	$replacements[] = $bbcode_tpl['url3'];	// [url=www.phpbb.com]phpBB[/url] code.. (no xxxx:// prefix).	$patterns[] = "#\[url=((www|ftp)\.[\w\#$%&~/.\-;:=,?@\[\]+]*?)\]([^?\n\r\t].*?)\[/url\]#is";	$replacements[] = $bbcode_tpl['url4'];	// [email]user@domain.tld[/email] code..	$patterns[] = "#\[email\]([a-z0-9&\-_.]+?@[\w\-]+\.([\w\-\.]+\.)?[\w]+)\[/email\]#si";	$replacements[] = $bbcode_tpl['email'];	$text = preg_replace($patterns, $replacements, $text);	// Remove our padding from the string..	$text = substr($text, 1);	return $text;} // bbencode_second_pass()// Need to initialize the random numbers only ONCEmt_srand( (double) microtime() * 1000000);function make_bbcode_uid(){	// Unique ID for this message..	$uid = dss_rand();	$uid = substr($uid, 0, BBCODE_UID_LEN);	return $uid;}function bbencode_first_pass($text, $uid){	// pad it with a space so we can distinguish between FALSE and matching the 1st char (index 0).	// This is important; bbencode_quote(), bbencode_list(), and bbencode_code() all depend on it.	$text = " " . $text;	// [CODE] and [/CODE] for posting code (HTML, PHP, C etc etc) in your posts.	$text = bbencode_first_pass_pda($text, $uid, '[code]', '[/code]', '', true, '');        $text = bbencode_first_pass_pda($text, $uid, '[php]', '[/php]', '', true, '');	// [QUOTE] and [/QUOTE] for posting replies with quote, or just for quoting stuff.	$text = bbencode_first_pass_pda($text, $uid, '[quote]', '[/quote]', '', false, '');	$text = bbencode_first_pass_pda($text, $uid, '/\[quote=\\\\&quot;(.*?)\\\\&quot;\]/is', '[/quote]', '', false, '', "[quote:$uid=\\\"\\1\\\"]");	// [list] and [list=x] for (un)ordered lists.	$open_tag = array();	$open_tag[0] = "[list]";	// unordered..	$text = bbencode_first_pass_pda($text, $uid, $open_tag, "[/list]", "[/list:u]", false, 'replace_listitems');	$open_tag[0] = "[list=1]";	$open_tag[1] = "[list=a]";	// ordered.	$text = bbencode_first_pass_pda($text, $uid, $open_tag, "[/list]", "[/list:o]",  false, 'replace_listitems');	// [color] and [/color] for setting text color	$text = preg_replace("#\[color=(\#[0-9A-F]{6}|[a-z\-]+)\](.*?)\[/color\]#si", "[color=\\1:$uid]\\2[/color:$uid]", $text);	// [size] and [/size] for setting text size	$text = preg_replace("#\[size=([1-2]?[0-9])\](.*?)\[/size\]#si", "[size=\\1:$uid]\\2[/size:$uid]", $text);	// [b] and [/b] for bolding text.	$text = preg_replace("#\[b\](.*?)\[/b\]#si", "[b:$uid]\\1[/b:$uid]", $text);	// [u] and [/u] for underlining text.	$text = preg_replace("#\[u\](.*?)\[/u\]#si", "[u:$uid]\\1[/u:$uid]", $text);	// [i] and [/i] for italicizing text.	$text = preg_replace("#\[i\](.*?)\[/i\]#si", "[i:$uid]\\1[/i:$uid]", $text);	// [img]image_url_here[/img] code..	$text = preg_replace("#\[img\]((http|ftp|https|ftps)://)([^ \?&=\#\"\n\r\t<]*?(\.(jpg|jpeg|gif|png)))\[/img\]#sie", "'[img:$uid]\\1' . str_replace(' ', '%20', '\\3') . '[/img:$uid]'", $text);	// Remove our padding from the string..	return substr($text, 1);;} // bbencode_first_pass()/** * $text - The text to operate on. * $uid - The UID to add to matching tags. * $open_tag - The opening tag to match. Can be an array of opening tags. * $close_tag - The closing tag to match. * $close_tag_new - The closing tag to replace with. * $mark_lowest_level - boolean - should we specially mark the tags that occur * 					at the lowest level of nesting? (useful for [code], because *						we need to match these tags first and transform HTML tags *						in their contents.. * $func - This variable should contain a string that is the name of a function. *				That function will be called when a match is found, and passed 2 *				parameters: ($text, $uid). The function should return a string. *				This is used when some transformation needs to be applied to the *				text INSIDE a pair of matching tags. If this variable is FALSE or the *				empty string, it will not be executed. * If open_tag is an array, then the pda will try to match pairs consisting of * any element of open_tag followed by close_tag. This allows us to match things * like [list=A]...[/list] and [list=1]...[/list] in one pass of the PDA. * * NOTES:	- this function assumes the first character of $text is a space. *				- every opening tag and closing tag must be of the [...] format. */function bbencode_first_pass_pda($text, $uid, $open_tag, $close_tag, $close_tag_new, $mark_lowest_level, $func, $open_regexp_replace = false){	$open_tag_count = 0;	if (!$close_tag_new || ($close_tag_new == ''))	{		$close_tag_new = $close_tag;	}	$close_tag_length = strlen($close_tag);	$close_tag_new_length = strlen($close_tag_new);	$uid_length = strlen($uid);	$use_function_pointer = ($func && ($func != ''));	$stack = array();	if (is_array($open_tag))	{		if (0 == count($open_tag))		{			// No opening tags to match, so return.			return $text;		}		$open_tag_count = count($open_tag);	}	else	{		// only one opening tag. make it into a 1-element array.		$open_tag_temp = $open_tag;		$open_tag = array();		$open_tag[0] = $open_tag_temp;		$open_tag_count = 1;	}	$open_is_regexp = false;	if ($open_regexp_replace)	{		$open_is_regexp = true;		if (!is_array($open_regexp_replace))		{			$open_regexp_temp = $open_regexp_replace;			$open_regexp_replace = array();			$open_regexp_replace[0] = $open_regexp_temp;		}	}	if ($mark_lowest_level && $open_is_regexp)	{		message_die(GENERAL_ERROR, "Unsupported operation for bbcode_first_pass_pda().");	}	// Start at the 2nd char of the string, looking for opening tags.	$curr_pos = 1;	while ($curr_pos && ($curr_pos < strlen($text)))	{		$curr_pos = strpos($text, "[", $curr_pos);		// If not found, $curr_pos will be 0, and the loop will end.		if ($curr_pos)		{			// We found a [. It starts at $curr_pos.			// check if it's a starting or ending tag.			$found_start = false;			$which_start_tag = "";			$start_tag_index = -1;			for ($i = 0; $i < $open_tag_count; $i++)			{				// Grab everything until the first "]"...				$possible_start = substr($text, $curr_pos, strpos($text, ']', $curr_pos + 1) - $curr_pos + 1);				//				// We're going to try and catch usernames with "[' characters.				//				if( preg_match('#\[quote=\\\&quot;#si', $possible_start, $match) && !preg_match('#\[quote=\\\&quot;(.*?)\\\&quot;\]#si', $possible_start) )				{					// OK we are in a quote tag that probably contains a ] bracket.					// Grab a bit more of the string to hopefully get all of it..					if ($close_pos = strpos($text, '&quot;]', $curr_pos + 14))					{						if (strpos(substr($text, $curr_pos + 14, $close_pos - ($curr_pos + 14)), '[quote') === false)						{							$possible_start = substr($text, $curr_pos, $close_pos - $curr_pos + 7);						}					}				}				// Now compare, either using regexp or not.				if ($open_is_regexp)				{					$match_result = array();					if (preg_match($open_tag[$i], $possible_start, $match_result))					{						$found_start = true;						$which_start_tag = $match_result[0];						$start_tag_index = $i;						break;					}				}				else				{					// straightforward string comparison.					if (0 == strcasecmp($open_tag[$i], $possible_start))					{						$found_start = true;						$which_start_tag = $open_tag[$i];						$start_tag_index = $i;						break;					}				}			}			if ($found_start)			{				// We have an opening tag.				// Push its position, the text we matched, and its index in the open_tag array on to the stack, and then keep going to the right.				$match = array("pos" => $curr_pos, "tag" => $which_start_tag, "index" => $start_tag_index);				array_push($stack, $match);				//				// Rather than just increment $curr_pos				// Set it to the ending of the tag we just found				// Keeps error in nested tag from breaking out				// of table structure..				//				$curr_pos += strlen($possible_start);			}			else			{				// check for a closing tag..				$possible_end = substr($text, $curr_pos, $close_tag_length);				if (0 == strcasecmp($close_tag, $possible_end))				{					// We have an ending tag.					// Check if we've already found a matching starting tag.					if (sizeof($stack) > 0)					{						// There exists a starting tag.						$curr_nesting_depth = sizeof($stack);						// We need to do 2 replacements now.						$match = array_pop($stack);						$start_index = $match['pos'];						$start_tag = $match['tag'];						$start_length = strlen($start_tag);						$start_tag_index = $match['index'];						if ($open_is_regexp)						{							$start_tag = preg_replace($open_tag[$start_tag_index], $open_regexp_replace[$start_tag_index], $start_tag);						}						// everything before the opening tag.						$before_start_tag = substr($text, 0, $start_index);						// everything after the opening tag, but before the closing tag.						$between_tags = substr($text, $start_index + $start_length, $curr_pos - $start_index - $start_length);						// Run the given function on the text between the tags..						if ($use_function_pointer)						{							$between_tags = $func($between_tags, $uid);						}						// everything after the closing tag.						$after_end_tag = substr($text, $curr_pos + $close_tag_length);						// Mark the lowest nesting level if needed.						if ($mark_lowest_level && ($curr_nesting_depth == 1))						{							if ($open_tag[0] == '[code]')							{								$code_entities_match = array('#<#', '#>#', '#"#', '#:#', '#\[#', '#\]#', '#\(#', '#\)#', '#\{#', '#\}#');								$code_entities_replace = array('&lt;', '&gt;', '&quot;', '&#58;', '&#91;', '&#93;', '&#40;', '&#41;', '&#123;', '&#125;');								$between_tags = preg_replace($code_entities_match, $code_entities_replace, $between_tags);							}							else if ($open_tag[0] == '[php]')							{								$text = $before_start_tag . '&#91;php&#93;';								$text .= $between_tags . '&#91;/php&#93;';							}							$text = $before_start_tag . substr($start_tag, 0, $start_length - 1) . ":$curr_nesting_depth:$uid]";							$text .= $between_tags . substr($close_tag_new, 0, $close_tag_new_length - 1) . ":$curr_nesting_depth:$uid]";						}						else						{							if ($open_tag[0] == '[code]')							{								$text = $before_start_tag . '&#91;code&#93;';								$text .= $between_tags . '&#91;/code&#93;';							}							else if ($open_tag[0] == '[php]')							{								$text = $before_start_tag . '&#91;php&#93;';								$text .= $between_tags . '&#91;/php&#93;';							}							else							{								if ($open_is_regexp)								{									$text = $before_start_tag . $start_tag;								}								else								{									$text = $before_start_tag . substr($start_tag, 0, $start_length - 1) . ":$uid]";								}								$text .= $between_tags . substr($close_tag_new, 0, $close_tag_new_length - 1) . ":$uid]";							}						}						$text .= $after_end_tag;						// Now.. we've screwed up the indices by changing the length of the string.						// So, if there's anything in the stack, we want to resume searching just after it.						// otherwise, we go back to the start.						if (sizeof($stack) > 0)						{							$match = array_pop($stack);							$curr_pos = $match['pos'];//							bbcode_array_push($stack, $match);//							++$curr_pos;						}						else						{							$curr_pos = 1;						}					}					else					{						// No matching start tag found. Increment pos, keep going.						++$curr_pos;					}				}				else				{					// No starting tag or ending tag.. Increment pos, keep looping.,					++$curr_pos;				}			}		}	} // while	return $text;} // bbencode_first_pass_pda()/** * Does second-pass bbencoding of the [code] tags. This includes * running htmlspecialchars() over the text contained between * any pair of [code] tags that are at the first level of * nesting. Tags at the first level of nesting are indicated * by this format: [code:1:$uid] ... [/code:1:$uid] * Other tags are in this format: [code:$uid] ... [/code:$uid] */  function php_code( $text, $uid, $bbcode_tpl ){	global $lang;   $text = undo_htmlspecialchars($text);   If  ( eregi( "\\<\\?...", $text) &&  eregi( "\\?\\>", $text) )   {      ob_start();      highlight_string($text);      //highlighted text      $text = " " . ob_get_contents();      ob_end_clean();   }   else   {      if ( !eregi( "\\<\\?...", $text) &&  !eregi( "\\?\\>", $text) )      {         $text = str_replace( "[php:1:$uid]", "[php:1:$uid]<?", $text);         $text = str_replace( "[/php:1:$uid]", "?>[/php:1:$uid]", $text);      }      else if ( !eregi( "\\<\\?...", $text) )      {         $text = str_replace( "[php:1:$uid]", "[php:1:$uid]<?", $text);      }      else if ( !eregi( "\\?\\>", $text) )      {         $text = str_replace( "[/php:1:$uid]", "?>[/php:1:$uid]", $text);      }      ob_start();      highlight_string($text);      //highlighted text      $colorphptext = " " . ob_get_contents();      ob_end_clean();      $pos1 = strpos ($colorphptext,"&lt;?");      $pos2 = strrpos ($colorphptext,"?&gt;");      $text = substr($colorphptext, 0, $pos1).substr($colorphptext, $pos1+5, $pos2-($pos1+5)).substr($colorphptext, $pos2+5);   }	$php_start_html = $bbcode_tpl['php_open'];	$php_end_html =  $bbcode_tpl['php_close'];	// First, do all the 1st-level matches. These need an htmlspecialchars() run,	// so they have to be handled differently.	$php_match_count = preg_match_all("#\[php:1:$uid\](.*?)\[/php:1:$uid\]#si", $text, $php_matches);	for ($i = 0; $i < $php_match_count; $i++)	{		$before_replace = $php_matches[1][$i];		$after_replace = $php_matches[1][$i];		// Replace 2 spaces with "&nbsp; " so non-tabbed code indents without making huge long lines.		$after_replace = str_replace("  ", "&nbsp; ", $after_replace);		// now Replace 2 spaces with " &nbsp;" to catch odd #s of spaces.		$after_replace = str_replace("  ", " &nbsp;", $after_replace);		// Replace tabs with "&nbsp; &nbsp;" so tabbed code indents sorta right without making huge long lines.		$after_replace = str_replace("\t", "&nbsp; &nbsp;", $after_replace);		$str_to_match = "[php:1:$uid]" . $before_replace . "[/php:1:$uid]";		$replacement = $php_start_html;		$replacement .= $after_replace;		$replacement .= $php_end_html;		$text = str_replace($str_to_match, $replacement, $text);	}	  // Now, do all the non-first-level matches. These are simple.	  $text = str_replace("[php:$uid]", $php_start_html, $text);	  $text = str_replace("[/php:$uid]", $php_end_html, $text);   return "$text";}function bbencode_second_pass_code($text, $uid, $bbcode_tpl){	global $lang;	$code_start_html = $bbcode_tpl['code_open'];	$code_end_html =  $bbcode_tpl['code_close'];	// First, do all the 1st-level matches. These need an htmlspecialchars() run,	// so they have to be handled differently.	$match_count = preg_match_all("#\[code:1:$uid\](.*?)\[/code:1:$uid\]#si", $text, $matches);	for ($i = 0; $i < $match_count; $i++)	{		$before_replace = $matches[1][$i];		$after_replace = $matches[1][$i];		// Replace 2 spaces with "&nbsp; " so non-tabbed code indents without making huge long lines.		$after_replace = str_replace("  ", "&nbsp; ", $after_replace);		// now Replace 2 spaces with " &nbsp;" to catch odd #s of spaces.		$after_replace = str_replace("  ", " &nbsp;", $after_replace);		// Replace tabs with "&nbsp; &nbsp;" so tabbed code indents sorta right without making huge long lines.		$after_replace = str_replace("\t", "&nbsp; &nbsp;", $after_replace);		// now Replace space occurring at the beginning of a line		$after_replace = preg_replace("/^ {1}/m", '&nbsp;', $after_replace);		$str_to_match = "[code:1:$uid]" . $before_replace . "[/code:1:$uid]";		$replacement = $code_start_html;		$replacement .= $after_replace;		$replacement .= $code_end_html;		$text = str_replace($str_to_match, $replacement, $text);	}	// Now, do all the non-first-level matches. These are simple.	$text = str_replace("[code:$uid]", $code_start_html, $text);	$text = str_replace("[/code:$uid]", $code_end_html, $text);	return $text;} // bbencode_second_pass_code()/** * Rewritten by Nathan Codding - Feb 6, 2001. * - Goes through the given string, and replaces xxxx://yyyy with an HTML <a> tag linking * 	to that URL * - Goes through the given string, and replaces www.xxxx.yyyy[zzzz] with an HTML <a> tag linking * 	to http://www.xxxx.yyyy[/zzzz] * - Goes through the given string, and replaces xxxx@yyyy with an HTML mailto: tag linking *		to that email address * - Only matches these 2 patterns either after a space, or at the beginning of a line * * Notes: the email one might get annoying - it's easy to make it more restrictive, though.. maybe * have it require something like xxxx@yyyy.zzzz or such. We'll see. */function make_clickable($text){	$text = preg_replace('#(script|about|applet|activex|chrome):#is', "\\1&#058;", $text);	// pad it with a space so we can match things at the start of the 1st line.	$ret = ' ' . $text;	// matches an "xxxx://yyyy" URL at the start of a line, or after a space.	// xxxx can only be alpha characters.	// yyyy is anything up to the first space, newline, comma, double quote or <	$ret = preg_replace("#(^|[\n ])([\w]+?://[\w\#$%&~/.\-;:=,?@\[\]+]*)#is", "\\1<a href=\"\\2\" target=\"_blank\">\\2</a>", $ret);	// matches a "www|ftp.xxxx.yyyy[/zzzz]" kinda lazy URL thing	// Must contain at least 2 dots. xxxx contains either alphanum, or "-"	// zzzz is optional.. will contain everything up to the first space, newline, 	// comma, double quote or <.	$ret = preg_replace("#(^|[\n ])((www|ftp)\.[\w\#$%&~/.\-;:=,?@\[\]+]*)#is", "\\1<a href=\"http://\\2\" target=\"_blank\">\\2</a>", $ret);	// matches an email@domain type address at the start of a line, or after a space.	// Note: Only the followed chars are valid; alphanums, "-", "_" and or ".".	$ret = preg_replace("#(^|[\n ])([a-z0-9&\-_.]+?)@([\w\-]+\.([\w\-\.]+\.)*[\w]+)#i", "\\1<a href=\"mailto:\\2@\\3\">\\2@\\3</a>", $ret);	// Remove our padding..	$ret = substr($ret, 1);	return($ret);}/** * Nathan Codding - Feb 6, 2001 * Reverses the effects of make_clickable(), for use in editpost. * - Does not distinguish between "www.xxxx.yyyy" and "http://aaaa.bbbb" type URLs. * */function undo_make_clickable($text){	$text = preg_replace("#<!-- BBCode auto-link start --><a href=\"(.*?)\" target=\"_blank\">.*?</a><!-- BBCode auto-link end -->#i", "\\1", $text);	$text = preg_replace("#<!-- BBcode auto-mailto start --><a href=\"mailto:(.*?)\">.*?</a><!-- BBCode auto-mailto end -->#i", "\\1", $text);	return $text;}/** * Nathan Codding - August 24, 2000. * Takes a string, and does the reverse of the PHP standard function * htmlspecialchars(). */function undo_htmlspecialchars($input){	$input = preg_replace("/&gt;/i", ">", $input);	$input = preg_replace("/&lt;/i", "<", $input);	$input = preg_replace("/&quot;/i", "\"", $input);	$input = preg_replace("/&amp;/i", "&", $input);	return $input;}/** * This is used to change a [*] tag into a [*:$uid] tag as part * of the first-pass bbencoding of [list] tags. It fits the * standard required in order to be passed as a variable * function into bbencode_first_pass_pda(). */function replace_listitems($text, $uid){	$text = str_replace("[*]", "[*:$uid]", $text);	return $text;}/** * Escapes the "/" character with "\/". This is useful when you need * to stick a runtime string into a PREG regexp that is being delimited * with slashes. */function escape_slashes($input){	$output = str_replace('/', '\/', $input);	return $output;}/** * This function does exactly what the PHP4 function array_push() does * however, to keep phpBB compatable with PHP 3 we had to come up with our own * method of doing it. * This function was deprecated in phpBB 2.0.18 */function bbcode_array_push(&$stack, $value){   $stack[] = $value;   return(sizeof($stack));}/** * This function does exactly what the PHP4 function array_pop() does * however, to keep phpBB compatable with PHP 3 we had to come up with our own * method of doing it. * This function was deprecated in phpBB 2.0.18 */function bbcode_array_pop(&$stack){   $arrSize = count($stack);   $x = 1;   while(list($key, $val) = each($stack))   {      if($x < count($stack))      {	 		$tmpArr[] = $val;      }      else      {	 		$return_val = $val;      }      $x++;   }   $stack = $tmpArr;   return($return_val);}//// Smilies code ... would this be better tagged on to the end of bbcode.php?// Probably so and I'll move it before B2//function smilies_pass($message){	static $orig, $repl;	if (!isset($orig))	{		global $db, $board_config;		$orig = $repl = array();		$sql = 'SELECT * FROM ' . SMILIES_TABLE;		if( !$result = $db->sql_query($sql) )		{			message_die(GENERAL_ERROR, "Couldn't obtain smilies data", "", __LINE__, __FILE__, $sql);		}		$smilies = $db->sql_fetchrowset($result);		if (count($smilies))		{			usort($smilies, 'smiley_sort');		}		for ($i = 0; $i < count($smilies); $i++)		{			$orig[] = "/(?<=.\W|\W.|^\W)" . preg_quote($smilies[$i]['code'], "/") . "(?=.\W|\W.|\W$)/";			$repl[] = '<img src="'. $board_config['smilies_path'] . '/' . $smilies[$i]['smile_url'] . '" alt="' . $smilies[$i]['emoticon'] . '" border="0" />';		}	}	if (count($orig))	{		$message = preg_replace($orig, $repl, ' ' . $message . ' ');		$message = substr($message, 1, -1);	}		return $message;}function smiley_sort($a, $b){	if ( strlen($a['code']) == strlen($b['code']) )	{		return 0;	}	return ( strlen($a['code']) > strlen($b['code']) ) ? -1 : 1;}?>