" in the message, don't bother. if ( strpos($sb_message_txt, "<") || strpos($sb_message_txt, ">") ) { $sb_message_txt = smile::sbStripHtmlTags($sb_message_txt); } //$sb_message_txt = htmlspecialchars($sb_message_txt); //html_entities_decode= PHP >4.3.0; the two lines after it are a replacement/workaround //$sb_message_txt = html_entity_decode($sb_message_txt); $table = array_flip(get_html_translation_table(HTML_ENTITIES)); $sb_message_txt = strtr($sb_message_txt, $table); $sb_message_txt = smile::sbHtmlSafe($sb_message_txt); $sb_message_txt = stripslashes($sb_message_txt); //Quote tags if($history==0){ $sb_message_txt = str_replace("[quote]","",$sb_message_txt); $sb_message_txt = str_replace("[QUOTE]","",$sb_message_txt); }else{ $sb_message_txt = str_replace("[quote]","",$sb_message_txt); $sb_message_txt = str_replace("[QUOTE]","",$sb_message_txt); } $sb_message_txt = str_replace("[/quote]","",$sb_message_txt); $sb_message_txt = str_replace("[/QUOTE]","",$sb_message_txt); // urls //make regular HTML URL links targets _blank //the next link is for backwards compatability left in; should be removed in time $sb_message_txt = preg_replace("/(.*)<\/A>/i", "\\2", $sb_message_txt); //bbCode URL translation $sb_message_txt = preg_replace('/\[url\](.*?)javascript(.*?)\[\/url\]/si',_LINK_JS_REMOVED,$sb_message_txt); $sb_message_txt = preg_replace('/\[url=(.*?)javascript(.*?)\](.*?)\[\/url\]/si',_LINK_JS_REMOVED,$sb_message_txt); $sb_message_txt = preg_replace("/\[url\](.*?)\[\/url\]/si","\\1",$sb_message_txt); $sb_message_txt = preg_replace("/\[url=(.*?)\](.*?)\[\/url\]/si","\\2",$sb_message_txt); // img $sb_message_txt = preg_replace("/\[img size=([0-9][0-9][0-9])\](.*?)\[\/img\]/si","",$sb_message_txt); $sb_message_txt = preg_replace("/\[img size=([0-9][0-9])\](.*?)\[\/img\]/si","",$sb_message_txt); $sb_message_txt = preg_replace("/\[img\](.*?)\[\/img\]/si","",$sb_message_txt); $sb_message_txt = preg_replace("//si",_LINK_JS_REMOVED,$sb_message_txt); // bold $sb_message_txt = preg_replace("/(\[b\])(.*?)(\[\/b\])/si","\\2",$sb_message_txt); // underline $sb_message_txt = preg_replace("/(\[u\])(.*?)(\[\/u\])/si","\\2",$sb_message_txt); // italic $sb_message_txt = preg_replace("/(\[i\])(.*?)(\[\/i\])/si","\\2",$sb_message_txt); // lists $sb_message_txt = preg_replace("/(\[ul\])(.*?)(\[\/ul\])/si","
    \\2
",$sb_message_txt); $sb_message_txt = preg_replace("/(\[ol\])(.*?)(\[\/ol\])/si","
    \\2
",$sb_message_txt); $sb_message_txt = preg_replace("/(\[li\])(.*?)(\[\/li\])/si","
  • \\2
    • ",$sb_message_txt); //size Max size is 7 $sb_message_txt = preg_replace("/\[size=([1-7])\](.+?)\[\/size\]/si","\\2",$sb_message_txt); //color $sb_message_txt = preg_replace("%\[color=(.*?)\](.*?)\[/color\]%si","\\2",$sb_message_txt); //file attachments $sb_message_txt = preg_replace("/\[file name=(.*?) size=(.*?)\](.*?)\[\/file\]/si","
    File Attachment:
    File name: \\1
    File size:\\2 bytes
    ",$sb_message_txt); //emoticons if ($emoticons != 1) { reset($message_emoticons); while (list($emo_txt,$emo_src)=each($message_emoticons)) { $sb_message_txt=str_replace($emo_txt,'',$sb_message_txt); } } //code tag $sb_message_txt = smile::bbencode_second_pass($sb_message_txt); //auto parse links: $sb_message_txt = smile::urlMaker($sb_message_txt); return $sb_message_txt; } /** * function to retrieve the emoticons out of the database * * @author Niels Vandekeybus * @version 1.0 * @since 2005-04-19 * @param boolean $grayscale * determines wether to return the grayscale or the ordinary emoticon * @param boolean $emoticonbar * only list emoticons to be displayed in the emoticonbar (currently unused) * @return array * array consisting of emoticon codes and their respective location (NOT the entire img tag) */ function getEmoticons($grayscale,$emoticonbar=0) { // removed $sbs, this is actually a better way to handle things global $database; $grayscale==1?$column="greylocation":$column="location"; $sql="SELECT `code` , `$column` FROM `#__sb_smileys`"; if ($emoticonbar == 1) $sql.=" where `emoticonbar` = 1"; $sql.=";"; $database->setQuery($sql); $smilies=$database->loadObjectList(); foreach ($smilies as $smiley) { // We load all smileys in array, so we can sort them $smileyArray[$smiley->code]='/emoticons/' . $smiley->$column; // This makes sure that for example :pinch: gets translated before :p } if ($emoticonbar == 0) { // don't sort when it's only for use in the emoticonbar array_multisort(array_keys($smileyArray),SORT_DESC,$smileyArray); reset($smileyArray); } return $smileyArray; } function topicToolbar($selected,$sbs,$tawidth) { //TO USE // $topicToolbar = smile:topicToolbar(); // echo $topicToolbar; //$selected var is used to check the right selected icon //important for the edit function $selected=(int)$selected; ?> '; } ?> /> /> /> />
    /> /> /> />
    substr_count($text, "[/code]") ){ $text = $text." [/code]"; } // [CODE] and [/CODE] for posting code (HTML, PHP, C etc etc) in your posts. $text = smile::bbencode_first_pass_pda($text, '[code]', '[/code]', '', true, ''); // Remove our padding from the string.. return substr($text, 1);; } // bbencode_first_pass() /** * $text - The text to operate on. * $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, $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); $use_function_pointer = ($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) { die("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 is 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=\\\"#si', $possible_start, $match) && !preg_match('#\[quote=\\\"(.*?)\\\"\]#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, '"]', $curr_pos + 9)) { if (strpos(substr($text, $curr_pos + 9, $close_pos - ($curr_pos + 9)), '[quote') === false) { $possible_start = substr($text, $curr_pos, $close_pos - $curr_pos + 2); } } } // Now compare, either using regexp or not. if ($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]') { //Safeguard against smiley replacement //$code_entities_match = array('#<#', '#>#', '#"#', '#:#', '#\[#', '#\]#', '#\(#', '#\)#', '#\{#', '#\}#'); //$code_entities_replace = array('<', '>', '"', ':', '[', ']', '(', ')', '{', '}'); //$code_entities_replace = array( ':(', ':)'); //$code_entities_match = array( '/«:(»/', '/«:)»/'); $message_emoticons=smile::getEmoticons(0); foreach ($message_emoticons as $smiley => $value) { $newsmiley=substr($smiley,0,1) . '«»' . substr($smiley,1) ; $between_tags = str_replace($smiley,$newsmiley,$between_tags); } } $text = $before_start_tag . substr($start_tag, 0, $start_length - 1) . ":$curr_nesting_depth]"; $text .= $between_tags . substr($close_tag_new, 0, $close_tag_new_length - 1) . ":$curr_nesting_depth]"; } else { if ($open_tag[0] == '[code]') { $text = $before_start_tag . '[code]'; $text .= $between_tags . '[/code]'; } else { if ($open_is_regexp) { $text = $before_start_tag . $start_tag; } else { $text = $before_start_tag . substr($start_tag, 0, $start_length - 1) . "]"; } $text .= $between_tags . substr($close_tag_new, 0, $close_tag_new_length - 1) . "]"; } } $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 $text; } // bbencode_first_pass_pda() /** * Does second-pass bbencoding. This should be used before displaying the message in * a thread. Assumes the message is already first-pass encoded, and we are given the * correct UID as used in first-pass encoding. */ function bbencode_second_pass($text) { // 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; } // [CODE] and [/CODE] for posting code (HTML, PHP, C etc etc) in your posts. $text = smile::bbencode_second_pass_code($text); // Remove our padding from the string.. $text = substr($text, 1); return $text; } // bbencode_second_pass() /** * Does second-pass bbencoding of the [code] tags. This includes * running htmlspecialchars() over the text contained between * any pair of [code] tags that are at the first level of * nesting. Tags at the first level of nesting are indicated * by this format: [code:1] ... [/code:1] * Other tags are in this format: [code] ... [/code] */ function bbencode_second_pass_code($text) { $code_start_html = '
    Code:
    ';
   $code_end_html =  '
    '; // First, do all the 1st-level matches. These need an htmlspecialchars() run, // so they have to be handled differently. $match_count = preg_match_all("#\[code:1\](.*?)\[/code:1\]#si", $text, $matches); for ($i = 0; $i < $match_count; $i++) { $before_replace = $matches[1][$i]; $after_replace = $matches[1][$i]; //we have to pad the code string with ',$after_replace); $after_replace= str_replace('«»','',$after_replace); //we must make sure that any \n in the code is preserved: $after_replace= str_replace('\n','_CRLF_',$after_replace); //and get the backslashes out before doing highlighting $after_replace= str_replace('\\','_BKSLSH_',$after_replace); //Highlight the syntax $after_replace= highlight_string($after_replace, true); //and get the backslashes back in after doing highlighting $after_replace= str_replace('_BKSLSH_','\',$after_replace); //remove padding and set the already existing ','',$after_replace); // you would expect this here: $after_replace= str_replace('_CRLF_','\n',$after_replace); // but we'll do that as last step before we're going to render the post in view.php $after_replace= str_replace('\r','',$after_replace); /* Next block obsolete since the highlight_string function entered; dont delete just yet // Replace 2 spaces with "  " so non-tabbed code indents without making huge long lines. $after_replace = str_replace(" ", "  ", $after_replace); // now Replace 2 spaces with "  " to catch odd #s of spaces. $after_replace = str_replace(" ", "  ", $after_replace); // Replace tabs with "   " so tabbed code indents sorta right without making huge long lines. $after_replace = str_replace("\t", "   ", $after_replace); // now Replace space occurring at the beginning of a line $after_replace = preg_replace("/^ {1}/m", ' ', $after_replace); */ //Now restore character combinations that have been used to safeguard against smiley replacement $message_emoticons=smile::getEmoticons(0); foreach ($message_emoticons as $smiley => $value) { $newsmiley=substr($smiley,0,1) . '«»' . substr($smiley,1) ; $after_replace = str_replace($newsmiley,$smiley,$after_replace); } $str_to_match = "[code:1]" . $before_replace . "[/code:1]"; $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]", $code_start_html, $text); $text = str_replace("[/code]", $code_end_html, $text); return $text; } // bbencode_second_pass_code() /** * Strips all known HTML tags and replaces them with bbcode * Removes all unknown tags */ function sbStripHtmlTags($text) { $sb_message_txt = $text; $sb_message_txt = preg_replace("/

    /si","", $sb_message_txt); $sb_message_txt = preg_replace("%

    %si","\n", $sb_message_txt); $sb_message_txt = preg_replace("/
    /si","\n", $sb_message_txt); $sb_message_txt = preg_replace("%
    %si","\n", $sb_message_txt); $sb_message_txt = preg_replace("%
    %si","\n", $sb_message_txt); $sb_message_txt = preg_replace("/ /si"," ", $sb_message_txt); $sb_message_txt = preg_replace("/
      /si","[ol]", $sb_message_txt); $sb_message_txt = preg_replace("%
    %si","[/ol]", $sb_message_txt); $sb_message_txt = preg_replace("/
      /si","[ul]", $sb_message_txt); $sb_message_txt = preg_replace("%
    %si","[/ul]", $sb_message_txt); $sb_message_txt = preg_replace("/
  • /si","[li]", $sb_message_txt); $sb_message_txt = preg_replace("%
    • %si","[/li]", $sb_message_txt); $sb_message_txt = preg_replace("/
    /si","[quote]", $sb_message_txt); $sb_message_txt = preg_replace("%
    %si","[/quote]", $sb_message_txt);; $sb_message_txt = preg_replace("//si","[b]", $sb_message_txt);; $sb_message_txt = preg_replace("%%si","[/b]", $sb_message_txt);; $sb_message_txt = preg_replace("//si","[i]", $sb_message_txt);; $sb_message_txt = preg_replace("%%si","[/i]", $sb_message_txt);; $sb_message_txt = preg_replace("//si","[u]", $sb_message_txt);; $sb_message_txt = preg_replace("%%si","[/u]", $sb_message_txt);; $sb_message_txt = preg_replace("//si","[b]", $sb_message_txt);; $sb_message_txt = preg_replace("%%si","[/b]", $sb_message_txt);; $sb_message_txt = preg_replace("//si","[i]", $sb_message_txt);; $sb_message_txt = preg_replace("%%si","[/i]", $sb_message_txt);; //okay, now we've converted all HTML to known boardcode, nuke everything remaining itteratively: while($sb_message_txt != strip_tags($sb_message_txt)) { $sb_message_txt = strip_tags($sb_message_txt); } return $sb_message_txt; } // sbStripHtmlTags() /** * This will convert all remaining HTML tags to innocent tags able to be displayed in full */ function sbHtmlSafe($text) { $sb_message_txt = $text; $sb_message_txt=str_replace("<","<",$sb_message_txt); $sb_message_txt=str_replace(">",">",$sb_message_txt); return $sb_message_txt; } // sbHtmlSafe() /** * This function will write the TextArea */ function sbWriteTextarea($areaname, $html, $width, $height, $useRte, $css, $mls, $emoticons,$sbs) { ?> :

    $location) { echo ''; if ((++$counter % 4) == 0) echo ""; } ?>
    ' . $code . '
    ]*>.*?'si","",$text); $text = preg_replace('/]*>([^<]+)<\/a>/is','\2 (\1)', $text); $text = preg_replace('//','',$text); $text = preg_replace('/{.+?}/','',$text); $text = preg_replace('/ /',' ',$text); $text = preg_replace('/&/',' ',$text); $text = preg_replace('/"/',' ',$text); //smilies $text = preg_replace('/:laugh:/',':-D',$text); $text = preg_replace('/:angry:/',' ',$text); $text = preg_replace('/:mad:/',' ',$text); $text = preg_replace('/:unsure:/',' ',$text); $text = preg_replace('/:ohmy:/',':-O',$text); $text = preg_replace('/:blink:/',' ',$text); $text = preg_replace('/:huh:/',' ',$text); $text = preg_replace('/:dry:/',' ',$text); $text = preg_replace('/:lol:/',':-))',$text); $text = preg_replace('/:money:/',' ',$text); $text = preg_replace('/:rolleyes:/',' ',$text); //bbcode $text = preg_replace('/(\[b\])/',' ',$text); $text = preg_replace('/(\[\/b\])/',' ',$text); $text = preg_replace('/(\[i\])/',' ',$text); $text = preg_replace('/(\[\/i\])/',' ',$text); $text = preg_replace('/(\[u\])/',' ',$text); $text = preg_replace('/(\[\/u\])/',' ',$text); $text = preg_replace('/(\[quote\])/',' ',$text); $text = preg_replace('/(\[\/quote\])/',' ',$text); $text = preg_replace('/(\[code:1\])(.*?)(\[\/code:1\])/','',$text); $text = preg_replace('/(\[ul\])(.*?)(\[\/ul\])/','',$text); $text = preg_replace('/(\[li\])(.*?)(\[\/li\])/','',$text); $text = preg_replace('/(\[ol\])(.*?)(\[\/ol\])/','',$text); $text = preg_replace('/\[img size=([0-4][0-9][0-9])\](.*?)\[\/img\]/s','',$text); $text = preg_replace('/\[img size=([0-9][0-9])\](.*?)\[\/img\]/s','',$text); $text = preg_replace('/\[img\](.*?)\[\/img\]/s','',$text); $text = preg_replace('/\[url\](.*?)\[\/url\]/s','',$text); $text = preg_replace('/\[url=(.*?)\](.*?)\[\/url\]/s','',$text); $text = preg_replace('/(.*)<\/A>/i','',$text); $text = preg_replace('/\[file(.*?)\](.*?)\[\/file\]/s','',$text); $text = preg_replace('/\[size=([1-7])\](.+?)\[\/size\]/s','',$text); $text = preg_replace('/\[color=(.*?)\](.*?)\[\/color\]/s','',$text); $text = preg_replace('#/n#s',' ',$text); $text = strip_tags($text); $text = stripslashes(htmlspecialchars($text)); return ($text); }//purify function urlMaker($text){ $text = str_replace("\n", " \n ", $text); $words=explode(' ',$text); for($i=0;$i'.$word.'';} elseif(strtolower(substr($words[$i],0,8))=='https://') {$c=1;$word=''.$word.'';} elseif(strtolower(substr($words[$i],0,6))=='ftp://') {$c=1;$word=''.$word.'';} elseif(strtolower(substr($words[$i],0,4))=='ftp.') {$c=1;$word=''.$word.'';} elseif(strtolower(substr($words[$i],0,4))=='www.') {$c=1;$word=''.$word.'';} elseif(strtolower(substr($words[$i],0,7))=='mailto:') {$c=1;$word=''.$word.'';} if ($c==1) $words[$i]=$word; //$words[$i] = str_replace ("\n ", "\n", $words[$i]); } $ret = str_replace (" \n ", "\n", implode(' ',$words)); return $ret; } /* ************************************************************** * htmlwrap() function - v1.1 * Copyright (c) 2004 Brian Huisman AKA GreyWyvern * * This program may be distributed under the terms of the GPL * - http://www.gnu.org/licenses/gpl.txt * * * htmlwrap -- Safely wraps a string containing HTML formatted text (not * a full HTML document) to a specified width * * See the inline comments and http://www.greywyvern.com/php.php * for more info ******************************************************************** */ function htmlwrap($str, $width = 60, $break = "\n", $nobreak = "", $nobr = "pre", $utf = false) { // Split HTML content into an array delimited by < and > // The flags save the delimeters and remove empty variables $content = preg_split("/([<>])/", $str, -1, PREG_SPLIT_DELIM_CAPTURE | PREG_SPLIT_NO_EMPTY); // Transform protected element lists into arrays $nobreak = explode(" ", $nobreak); $nobr = explode(" ", $nobr); // Variable setup $intag = false; $innbk = array(); $innbr = array(); $drain = ""; $utf = ($utf) ? "u" : ""; // List of characters it is "safe" to insert line-breaks at // Do not add ampersand (&) as it will mess up HTML Entities // It is not necessary to add < and > $lbrks = "/?!%)-}]\\\"':;"; // We use \r for adding
    in the right spots so just switch to \n if ($break == "\r") $break = "\n"; while (list(, $value) = each($content)) { switch ($value) { // If a < is encountered, set the "in-tag" flag case "<": $intag = true; break; // If a > is encountered, remove the flag case ">": $intag = false; break; default: // If we are currently within a tag... if ($intag) { // If the first character is not a / then this is an opening tag if ($value{0} != "/") { // Collect the tag name preg_match("/^(.*?)(\s|$)/$utf", $value, $t); // If this is a protected element, activate the associated protection flag if ((!count($innbk) && in_array($t[1], $nobreak)) || in_array($t[1], $innbk)) $innbk[] = $t[1]; if ((!count($innbr) && in_array($t[1], $nobr)) || in_array($t[1], $innbr)) $innbr[] = $t[1]; // Otherwise this is a closing tag } else { // If this is a closing tag for a protected element, unset the flag if (in_array(substr($value, 1), $innbk)) unset($innbk[count($innbk)]); if (in_array(substr($value, 1), $innbr)) unset($innbr[count($innbr)]); } // Else if we're outside any tags... } else if ($value) { // If unprotected, remove all existing \r, replace all existing \n with \r if (!count($innbr)) $value = str_replace("\n", "\r", str_replace("\r", "", $value)); // If unprotected, enter the line-break loop if (!count($innbk)) { do { $store = $value; // Find the first stretch of characters over the $width limit if (preg_match("/^(.*?\s|^)(([^\s&]|&(\w{2,5}|#\d{2,4});){".$width."})(?!(".preg_quote($break, "/")."|\s))(.*)$/s$utf", $value, $match)) { // Determine the last "safe line-break" character within this match for ($x = 0, $ledge = 0; $x < strlen($lbrks); $x++) $ledge = max($ledge, strrpos($match[2], $lbrks{$x})); if (!$ledge) $ledge = strlen($match[2]) - 1; // Insert the modified string $value = $match[1].substr($match[2], 0, $ledge + 1).$break.substr($match[2], $ledge + 1).$match[6]; } // Loop while overlimit strings are still being found } while ($store != $value); } // If unprotected, replace all \r with
    \n to finish if (!count($innbr)) $value = str_replace("\r", "
    \n", $value); } } // Send the modified segment down the drain $drain .= $value; } // Return contents of the drain return $drain; } }//class ?>