{

var $message = '';

var $warn_msg = array();

var $parsed_items = array();

/**

function parse_bbcode()

{

if (!$this->bbcodes)

{

$this->bbcode_init();

}

global $user;

$this->bbcode_bitfield = '';

$bitfield = new bitfield();

foreach ($this->bbcodes as $bbcode_name => $bbcode_data)

{

if (isset($bbcode_data['disabled']) && $bbcode_data['disabled'])

{

foreach ($bbcode_data['regexp'] as $regexp => $replacement)

{

if (preg_match($regexp, $this->message))

{

$this->warn_msg[] = sprintf($user->lang['UNAUTHORISED_BBCODE'] , '[' . $bbcode_name . ']');

continue;

}

}

}

else

{

foreach ($bbcode_data['regexp'] as $regexp => $replacement)

{

// The pattern gets compiled and cached by the PCRE extension,

// it should not demand recompilation

if (preg_match($regexp, $this->message))

{

$this->message = preg_replace($regexp, $replacement, $this->message);

$bitfield->set($bbcode_data['bbcode_id']);

}

}

}

}

$this->bbcode_bitfield = $bitfield->get_base64();

}

/**

function prepare_bbcodes()

{

// Ok, seems like users instead want the no-parsing of urls, smilies, etc. after and before and within quote tags being tagged as "not a bug".

// Fine by me ;) Will ease our live... but do not come back and cry at us, we won't hear you.

/* Add newline at the end and in front of each quote block to prevent parsing errors (urls, smilies, etc.)

// Add other checks which needs to be placed before actually parsing anything (be it bbcodes, smilies, urls...)

}

/**

function bbcode_init($allow_custom_bbcode = true)

{

static $rowset;

// This array holds all bbcode data. BBCodes will be processed in this

// order, so it is important to keep [code] in first position and

// [quote] in second position.

// To parse multiline URL we enable dotall option setting only for URL text

// but not for link itself, thus [url][/url] is not affected.

$this->bbcodes = array(

'code' => array('bbcode_id' => 8, 'regexp' => array('#\[code(?:=([a-z]+))?\](.+\[/code\])#uise' => "\$this->bbcode_code('\$1', '\$2')")),

'quote' => array('bbcode_id' => 0, 'regexp' => array('#\[quote(?:="(.*?)")?\](.+)\[/quote\]#uise' => "\$this->bbcode_quote('\$0')")),

'attachment' => array('bbcode_id' => 12, 'regexp' => array('#\[attachment=([0-9]+)\](.*?)\[/attachment\]#uise' => "\$this->bbcode_attachment('\$1', '\$2')")),

'b' => array('bbcode_id' => 1, 'regexp' => array('#\[b\](.*?)\[/b\]#uise' => "\$this->bbcode_strong('\$1')")),

'i' => array('bbcode_id' => 2, 'regexp' => array('#\[i\](.*?)\[/i\]#uise' => "\$this->bbcode_italic('\$1')")),

'url' => array('bbcode_id' => 3, 'regexp' => array('#\[url(=(.*))?\](?(1)((?s).*(?-s))|(.*))\[/url\]#uiUe' => "\$this->validate_url('\$2', ('\$3') ? '\$3' : '\$4')")),

'img' => array('bbcode_id' => 4, 'regexp' => array('#\[img\](.*)\[/img\]#uiUe' => "\$this->bbcode_img('\$1')")),

'size' => array('bbcode_id' => 5, 'regexp' => array('#\[size=([\-\+]?\d+)\](.*?)\[/size\]#uise' => "\$this->bbcode_size('\$1', '\$2')")),

'color' => array('bbcode_id' => 6, 'regexp' => array('!\[color=(#[0-9a-f]{3}|#[0-9a-f]{6}|[a-z\-]+)\](.*?)\[/color\]!uise' => "\$this->bbcode_color('\$1', '\$2')")),

'u' => array('bbcode_id' => 7, 'regexp' => array('#\[u\](.*?)\[/u\]#uise' => "\$this->bbcode_underline('\$1')")),

'list' => array('bbcode_id' => 9, 'regexp' => array('#\[list(?:=(?:[a-z0-9]|disc|circle|square))?].*\[/list]#uise' => "\$this->bbcode_parse_list('\$0')")),

'email' => array('bbcode_id' => 10, 'regexp' => array('#\[email=?(.*?)?\](.*?)\[/email\]#uise' => "\$this->validate_email('\$1', '\$2')")),

'flash' => array('bbcode_id' => 11, 'regexp' => array('#\[flash=([0-9]+),([0-9]+)\](.*?)\[/flash\]#uie' => "\$this->bbcode_flash('\$1', '\$2', '\$3')"))

);

// Zero the parsed items array

$this->parsed_items = array();

foreach ($this->bbcodes as $tag => $bbcode_data)

{

$this->parsed_items[$tag] = 0;

}

if (!$allow_custom_bbcode)

{

return;

}

if (!is_array($rowset))

{

global $db;

$rowset = array();

$sql = 'SELECT *

FROM ' . BBCODES_TABLE;

$result = $db->sql_query($sql);

while ($row = $db->sql_fetchrow($result))

{

$rowset[] = $row;

}

$db->sql_freeresult($result);

}

foreach ($rowset as $row)

{

$this->bbcodes[$row['bbcode_tag']] = array(

'bbcode_id' => (int) $row['bbcode_id'],

'regexp' => array($row['first_pass_match'] => str_replace('$uid', $this->bbcode_uid, $row['first_pass_replace']))

);

}

}

/**

function check_bbcode($bbcode, &$in)

{

// when using the /e modifier, preg_replace slashes double-quotes but does not

// seem to slash anything else

$in = str_replace("\r\n", "\n", str_replace('\"', '"', $in));

// Trimming here to make sure no empty bbcodes are parsed accidently

if (trim($in) == '')

{

return false;

}

$this->parsed_items[$bbcode]++;

return true;

}

/**

function bbcode_specialchars($text)

{

$str_from = array('<', '>', '[', ']', '.', ':');

$str_to = array('&lt;', '&gt;', '&#91;', '&#93;', '&#46;', '&#58;');

return str_replace($str_from, $str_to, $text);

}

/**

function bbcode_size($stx, $in)

{

global $user, $config;

if (!$this->check_bbcode('size', $in))

{

return $in;

}

if ($config['max_' . $this->mode . '_font_size'] && $config['max_' . $this->mode . '_font_size'] < $stx)

{

$this->warn_msg[] = $user->lang('MAX_FONT_SIZE_EXCEEDED', (int) $config['max_' . $this->mode . '_font_size']);

return '[size=' . $stx . ']' . $in . '[/size]';

}

// Do not allow size=0

if ($stx <= 0)

{

return '[size=' . $stx . ']' . $in . '[/size]';

}

return '[size=' . $stx . ':' . $this->bbcode_uid . ']' . $in . '[/size:' . $this->bbcode_uid . ']';

}

/**

function bbcode_color($stx, $in)

{

if (!$this->check_bbcode('color', $in))

{

return $in;

}

return '[color=' . $stx . ':' . $this->bbcode_uid . ']' . $in . '[/color:' . $this->bbcode_uid . ']';

}

/**

function bbcode_underline($in)

{

if (!$this->check_bbcode('u', $in))

{

return $in;

}

return '[u:' . $this->bbcode_uid . ']' . $in . '[/u:' . $this->bbcode_uid . ']';

}

/**

function bbcode_strong($in)

{

if (!$this->check_bbcode('b', $in))

{

return $in;

}

return '[b:' . $this->bbcode_uid . ']' . $in . '[/b:' . $this->bbcode_uid . ']';

}

/**

function bbcode_italic($in)

{

if (!$this->check_bbcode('i', $in))

{

return $in;

}

return '[i:' . $this->bbcode_uid . ']' . $in . '[/i:' . $this->bbcode_uid . ']';

}

/**

function bbcode_img($in)

{

global $user, $config;

if (!$this->check_bbcode('img', $in))

{

return $in;

}

$in = trim($in);

$error = false;

$in = str_replace(' ', '%20', $in);

// Checking urls

if (!preg_match('#^' . get_preg_expression('url') . '$#i', $in) && !preg_match('#^' . get_preg_expression('www_url') . '$#i', $in))

{

return '[img]' . $in . '[/img]';

}

// Try to cope with a common user error... not specifying a protocol but only a subdomain

if (!preg_match('#^[a-z0-9]+://#i', $in))

{

$in = 'http://' . $in;

}

if ($config['max_' . $this->mode . '_img_height'] || $config['max_' . $this->mode . '_img_width'])

{

$stats = @getimagesize(htmlspecialchars_decode($in));

if ($stats === false)

{

$error = true;

$this->warn_msg[] = $user->lang['UNABLE_GET_IMAGE_SIZE'];

}

else

{

if ($config['max_' . $this->mode . '_img_height'] && $config['max_' . $this->mode . '_img_height'] < $stats[1])

{

$error = true;

$this->warn_msg[] = $user->lang('MAX_IMG_HEIGHT_EXCEEDED', (int) $config['max_' . $this->mode . '_img_height']);

}

if ($config['max_' . $this->mode . '_img_width'] && $config['max_' . $this->mode . '_img_width'] < $stats[0])

{

$error = true;

$this->warn_msg[] = $user->lang('MAX_IMG_WIDTH_EXCEEDED', (int) $config['max_' . $this->mode . '_img_width']);

}

}

}

if ($error || $this->path_in_domain($in))

{

return '[img]' . $in . '[/img]';

}

return '[img:' . $this->bbcode_uid . ']' . $this->bbcode_specialchars($in) . '[/img:' . $this->bbcode_uid . ']';

}

/**

function bbcode_flash($width, $height, $in)

{

global $user, $config;

if (!$this->check_bbcode('flash', $in))

{

return $in;

}

$in = trim($in);

$error = false;

// Do not allow 0-sizes generally being entered

if ($width <= 0 || $height <= 0)

{

return '[flash=' . $width . ',' . $height . ']' . $in . '[/flash]';

}

$in = str_replace(' ', '%20', $in);

// Make sure $in is a URL.

if (!preg_match('#^' . get_preg_expression('url') . '$#i', $in) &&

!preg_match('#^' . get_preg_expression('www_url') . '$#i', $in))

{

return '[flash=' . $width . ',' . $height . ']' . $in . '[/flash]';

}

// Apply the same size checks on flash files as on images

if ($config['max_' . $this->mode . '_img_height'] || $config['max_' . $this->mode . '_img_width'])

{

if ($config['max_' . $this->mode . '_img_height'] && $config['max_' . $this->mode . '_img_height'] < $height)

{

$error = true;

$this->warn_msg[] = $user->lang('MAX_FLASH_HEIGHT_EXCEEDED', (int) $config['max_' . $this->mode . '_img_height']);

}

if ($config['max_' . $this->mode . '_img_width'] && $config['max_' . $this->mode . '_img_width'] < $width)

{

$error = true;

$this->warn_msg[] = $user->lang('MAX_FLASH_WIDTH_EXCEEDED', (int) $config['max_' . $this->mode . '_img_width']);

}

}

if ($error || $this->path_in_domain($in))

{

return '[flash=' . $width . ',' . $height . ']' . $in . '[/flash]';

}

return '[flash=' . $width . ',' . $height . ':' . $this->bbcode_uid . ']' . $this->bbcode_specialchars($in) . '[/flash:' . $this->bbcode_uid . ']';

}

/**

function bbcode_attachment($stx, $in)

{

if (!$this->check_bbcode('attachment', $in))

{

return $in;

}

return '[attachment=' . $stx . ':' . $this->bbcode_uid . ']<!-- ia' . $stx . ' -->' . trim($in) . '<!-- ia' . $stx . ' -->[/attachment:' . $this->bbcode_uid . ']';

}

/**

function bbcode_parse_code($stx, &$code)

{

switch (strtolower($stx))

{

case 'php':

$remove_tags = false;

$str_from = array('&lt;', '&gt;', '&#91;', '&#93;', '&#46;', '&#58;', '&#058;');

$str_to = array('<', '>', '[', ']', '.', ':', ':');

$code = str_replace($str_from, $str_to, $code);

if (!preg_match('/\<\?.*?\?\>/is', $code))

{

$remove_tags = true;

$code = "<?php $code ?>";

}

$conf = array('highlight.bg', 'highlight.comment', 'highlight.default', 'highlight.html', 'highlight.keyword', 'highlight.string');

foreach ($conf as $ini_var)

{

@ini_set($ini_var, str_replace('highlight.', 'syntax', $ini_var));

}

// Because highlight_string is specialcharing the text (but we already did this before), we have to reverse this in order to get correct results

$code = htmlspecialchars_decode($code);

$code = highlight_string($code, true);

$str_from = array('<span style="color: ', '<font color="syntax', '</font>', '<code>', '</code>','[', ']', '.', ':');

$str_to = array('<span class="', '<span class="syntax', '</span>', '', '', '&#91;', '&#93;', '&#46;', '&#58;');

if ($remove_tags)

{

$str_from[] = '<span class="syntaxdefault">&lt;?php </span>';

$str_to[] = '';

$str_from[] = '<span class="syntaxdefault">&lt;?php&nbsp;';

$str_to[] = '<span class="syntaxdefault">';

}

$code = str_replace($str_from, $str_to, $code);

$code = preg_replace('#^(<span class="[a-z_]+">)\n?(.*?)\n?(</span>)$#is', '$1$2$3', $code);

if ($remove_tags)

{

$code = preg_replace('#(<span class="[a-z]+">)?\?&gt;(</span>)#', '$1&nbsp;$2', $code);

}

$code = preg_replace('#^<span class="[a-z]+"><span class="([a-z]+)">(.*)</span></span>#s', '<span class="$1">$2</span>', $code);

$code = preg_replace('#(?:\s++|&nbsp;)*+</span>$#u', '</span>', $code);

// remove newline at the end

if (!empty($code) && substr($code, -1) == "\n")

{

$code = substr($code, 0, -1);

}

return "[code=$stx:" . $this->bbcode_uid . ']' . $code . '[/code:' . $this->bbcode_uid . ']';

break;

default:

return '[code:' . $this->bbcode_uid . ']' . $this->bbcode_specialchars($code) . '[/code:' . $this->bbcode_uid . ']';

break;

}

}

/**

function bbcode_code($stx, $in)

{

if (!$this->check_bbcode('code', $in))

{

return $in;

}

// We remove the hardcoded elements from the code block here because it is not used in code blocks

// Having it here saves us one preg_replace per message containing [code] blocks

// Additionally, magic url parsing should go after parsing bbcodes, but for safety those are stripped out too...

$htm_match = get_preg_expression('bbcode_htm');

unset($htm_match[4], $htm_match[5]);

$htm_replace = array('\1', '\1', '\2', '\1');

$out = $code_block = '';

$open = 1;

while ($in)

{

// Determine position and tag length of next code block

preg_match('#(.*?)(\[code(?:=([a-z]+))?\])(.+)#is', $in, $buffer);

$pos = (isset($buffer[1])) ? strlen($buffer[1]) : false;

$tag_length = (isset($buffer[2])) ? strlen($buffer[2]) : false;

// Determine position of ending code tag

$pos2 = stripos($in, '[/code]');

// Which is the next block, ending code or code block

if ($pos !== false && $pos < $pos2)

{

// Open new block

if (!$open)

{

$out .= substr($in, 0, $pos);

$in = substr($in, $pos);

$stx = (isset($buffer[3])) ? $buffer[3] : '';

$code_block = '';

}

else

{

// Already opened block, just append to the current block

$code_block .= substr($in, 0, $pos) . ((isset($buffer[2])) ? $buffer[2] : '');

$in = substr($in, $pos);

}

$in = substr($in, $tag_length);

$open++;

}

else

{

// Close the block

if ($open == 1)

{

$code_block .= substr($in, 0, $pos2);

$code_block = preg_replace($htm_match, $htm_replace, $code_block);

// Parse this code block

$out .= $this->bbcode_parse_code($stx, $code_block);

$code_block = '';

$open--;

}

else if ($open)

{

// Close one open tag... add to the current code block

$code_block .= substr($in, 0, $pos2 + 7);

$open--;

}

else

{

// end code without opening code... will be always outside code block

$out .= substr($in, 0, $pos2 + 7);

}

$in = substr($in, $pos2 + 7);

}

}

// if now $code_block has contents we need to parse the remaining code while removing the last closing tag to match up.

if ($code_block)

{

$code_block = substr($code_block, 0, -7);

$code_block = preg_replace($htm_match, $htm_replace, $code_block);

$out .= $this->bbcode_parse_code($stx, $code_block);

}

return $out;

}

/**

function bbcode_parse_list($in)

{

if (!$this->check_bbcode('list', $in))

{

return $in;

}

// $tok holds characters to stop at. Since the string starts with a '[' we'll get everything up to the first ']' which should be the opening [list] tag

$tok = ']';

$out = '[';

// First character is [

$in = substr($in, 1);

$list_end_tags = $item_end_tags = array();

do

{

$pos = strlen($in);

for ($i = 0, $tok_len = strlen($tok); $i < $tok_len; ++$i)

{

$tmp_pos = strpos($in, $tok[$i]);

if ($tmp_pos !== false && $tmp_pos < $pos)

{

$pos = $tmp_pos;

}

}

$buffer = substr($in, 0, $pos);

$tok = $in[$pos];

$in = substr($in, $pos + 1);

if ($tok == ']')

{

// if $tok is ']' the buffer holds a tag

if (strtolower($buffer) == '/list' && sizeof($list_end_tags))

{

// valid [/list] tag, check nesting so that we don't hit false positives

if (sizeof($item_end_tags) && sizeof($item_end_tags) >= sizeof($list_end_tags))

{

// current li tag has not been closed

$out = preg_replace('/\n?\[$/', '[', $out) . array_pop($item_end_tags) . '][';

}

$out .= array_pop($list_end_tags) . ']';

$tok = '[';

}

else if (preg_match('#^list(=[0-9a-z]+)?$#i', $buffer, $m))

{

// sub-list, add a closing tag

if (empty($m[1]) || preg_match('/^=(?:disc|square|circle)$/i', $m[1]))

{

array_push($list_end_tags, '/list:u:' . $this->bbcode_uid);

}

else

{

array_push($list_end_tags, '/list:o:' . $this->bbcode_uid);

}

$out .= 'list' . substr($buffer, 4) . ':' . $this->bbcode_uid . ']';

$tok = '[';

}

else

{

if (($buffer == '*' || substr($buffer, -2) == '[*') && sizeof($list_end_tags))

{

// the buffer holds a bullet tag and we have a [list] tag open

if (sizeof($item_end_tags) >= sizeof($list_end_tags))

{

if (substr($buffer, -2) == '[*')

{

$out .= substr($buffer, 0, -2) . '[';

}

// current li tag has not been closed

if (preg_match('/\n\[$/', $out, $m))

{

$out = preg_replace('/\n\[$/', '[', $out);

$buffer = array_pop($item_end_tags) . "]\n[*:" . $this->bbcode_uid;

}

else

{

$buffer = array_pop($item_end_tags) . '][*:' . $this->bbcode_uid;

}

}

else

{

$buffer = '*:' . $this->bbcode_uid;

}

$item_end_tags[] = '/*:m:' . $this->bbcode_uid;

}

else if ($buffer == '/*')

{

array_pop($item_end_tags);

$buffer = '/*:' . $this->bbcode_uid;

}

$out .= $buffer . $tok;

$tok = '[]';

}

}

else

{

// Not within a tag, just add buffer to the return string

$out .= $buffer . $tok;

$tok = ($tok == '[') ? ']' : '[]';

}

}

while ($in);

// do we have some tags open? close them now

if (sizeof($item_end_tags))

{

$out .= '[' . implode('][', $item_end_tags) . ']';

}

if (sizeof($list_end_tags))

{

$out .= '[' . implode('][', $list_end_tags) . ']';

}

return $out;

}

/**

function bbcode_quote($in)

{

global $config, $user;

$in = str_replace("\r\n", "\n", str_replace('\"', '"', trim($in)));

if (!$in)

{

return '';

}

// To let the parser not catch tokens within quote_username quotes we encode them before we start this...

$in = preg_replace('#quote=&quot;(.*?)&quot;\]#ie', "'quote=&quot;' . str_replace(array('[', ']', '\\\"'), array('&#91;', '&#93;', '\"'), '\$1') . '&quot;]'", $in);

$tok = ']';

$out = '[';

$in = substr($in, 1);

$close_tags = $error_ary = array();

$buffer = '';

do

{

$pos = strlen($in);

for ($i = 0, $tok_len = strlen($tok); $i < $tok_len; ++$i)

{

$tmp_pos = strpos($in, $tok[$i]);

if ($tmp_pos !== false && $tmp_pos < $pos)

{

$pos = $tmp_pos;

}

}

$buffer .= substr($in, 0, $pos);

$tok = $in[$pos];

$in = substr($in, $pos + 1);

if ($tok == ']')

{

if (strtolower($buffer) == '/quote' && sizeof($close_tags) && substr($out, -1, 1) == '[')

{

// we have found a closing tag

$out .= array_pop($close_tags) . ']';

$tok = '[';

$buffer = '';

/* Add space at the end of the closing tag if not happened before to allow following urls/smilies to be parsed correctly

}

else if (preg_match('#^quote(?:=&quot;(.*?)&quot;)?$#is', $buffer, $m) && substr($out, -1, 1) == '[')

{

$this->parsed_items['quote']++;

// the buffer holds a valid opening tag

if ($config['max_quote_depth'] && sizeof($close_tags) >= $config['max_quote_depth'])

{

// there are too many nested quotes

$error_ary['quote_depth'] = $user->lang('QUOTE_DEPTH_EXCEEDED', (int) $config['max_quote_depth']);

$out .= $buffer . $tok;

$tok = '[]';

$buffer = '';

continue;

}

array_push($close_tags, '/quote:' . $this->bbcode_uid);

if (isset($m[1]) && $m[1])

{

$username = str_replace(array('&#91;', '&#93;'), array('[', ']'), $m[1]);

$username = preg_replace('#\[(?!b|i|u|color|url|email|/b|/i|/u|/color|/url|/email)#iU', '&#91;$1', $username);

$end_tags = array();

$error = false;

preg_match_all('#\[((?:/)?(?:[a-z]+))#i', $username, $tags);

foreach ($tags[1] as $tag)

{

if ($tag[0] != '/')

{

$end_tags[] = '/' . $tag;

}

else

{

$end_tag = array_pop($end_tags);

$error = ($end_tag != $tag) ? true : false;

}

}

if ($error)

{

$username = $m[1];

}

$out .= 'quote=&quot;' . $username . '&quot;:' . $this->bbcode_uid . ']';

}

else

{

$out .= 'quote:' . $this->bbcode_uid . ']';

}

$tok = '[';

$buffer = '';

}

else if (preg_match('#^quote=&quot;(.*?)#is', $buffer, $m))

{

// the buffer holds an invalid opening tag

$buffer .= ']';

}

else

{

$out .= $buffer . $tok;

$tok = '[]';

$buffer = '';

}

}

else

{

$out .= $buffer . $tok;

if ($tok == '[')

{

// Search the text for the next tok... if an ending quote comes first, then change tok to []

$pos1 = stripos($in, '[/quote');

// If the token ] comes first, we change it to ]

$pos2 = strpos($in, ']');

// If the token [ comes first, we change it to [

$pos3 = strpos($in, '[');

if ($pos1 !== false && ($pos2 === false || $pos1 < $pos2) && ($pos3 === false || $pos1 < $pos3))

{

$tok = '[]';

}

else if ($pos3 !== false && ($pos2 === false || $pos3 < $pos2))

{

$tok = '[';

}

else

{

$tok = ']';

}

}

else

{

$tok = '[]';

}

$buffer = '';

}

}

while ($in);

$out .= $buffer;

if (sizeof($close_tags))

{

$out .= '[' . implode('][', $close_tags) . ']';

}

foreach ($error_ary as $error_msg)

{

$this->warn_msg[] = $error_msg;

}

return $out;

}

/**

function validate_email($var1, $var2)

{

$var1 = str_replace("\r\n", "\n", str_replace('\"', '"', trim($var1)));

$var2 = str_replace("\r\n", "\n", str_replace('\"', '"', trim($var2)));

$txt = $var2;

$email = ($var1) ? $var1 : $var2;

$validated = true;

if (!preg_match('/^' . get_preg_expression('email') . '$/i', $email))

{

$validated = false;

}

if (!$validated)

{

return '[email' . (($var1) ? "=$var1" : '') . ']' . $var2 . '[/email]';

}

$this->parsed_items['email']++;

if ($var1)

{

$retval = '[email=' . $this->bbcode_specialchars($email) . ':' . $this->bbcode_uid . ']' . $txt . '[/email:' . $this->bbcode_uid . ']';

}

else

{

$retval = '[email:' . $this->bbcode_uid . ']' . $this->bbcode_specialchars($email) . '[/email:' . $this->bbcode_uid . ']';

}

return $retval;

}

/**

function validate_url($var1, $var2)

{

global $config;

$var1 = str_replace("\r\n", "\n", str_replace('\"', '"', trim($var1)));

$var2 = str_replace("\r\n", "\n", str_replace('\"', '"', trim($var2)));

$url = ($var1) ? $var1 : $var2;

if ($var1 && !$var2)

{

$var2 = $var1;

}

if (!$url)

{

return '[url' . (($var1) ? '=' . $var1 : '') . ']' . $var2 . '[/url]';

}

$valid = false;

$url = str_replace(' ', '%20', $url);

// Checking urls

if (preg_match('#^' . get_preg_expression('url') . '$#i', $url) ||

preg_match('#^' . get_preg_expression('www_url') . '$#i', $url) ||

preg_match('#^' . preg_quote(generate_board_url(), '#') . get_preg_expression('relative_url') . '$#i', $url))

{

$valid = true;

}

if ($valid)

{

$this->parsed_items['url']++;

// if there is no scheme, then add http schema

if (!preg_match('#^[a-z][a-z\d+\-.]*:/{2}#i', $url))

{

$url = 'http://' . $url;

}

// Is this a link to somewhere inside this board? If so then remove the session id from the url

if (strpos($url, generate_board_url()) !== false && strpos($url, 'sid=') !== false)

{

$url = preg_replace('/(&amp;|\?)sid=[0-9a-f]{32}&amp;/', '\1', $url);

$url = preg_replace('/(&amp;|\?)sid=[0-9a-f]{32}$/', '', $url);

$url = append_sid($url);

}

return ($var1) ? '[url=' . $this->bbcode_specialchars($url) . ':' . $this->bbcode_uid . ']' . $var2 . '[/url:' . $this->bbcode_uid . ']' : '[url:' . $this->bbcode_uid . ']' . $this->bbcode_specialchars($url) . '[/url:' . $this->bbcode_uid . ']';

}

return '[url' . (($var1) ? '=' . $var1 : '') . ']' . $var2 . '[/url]';

}

/**

function path_in_domain($url)

{

global $config, $phpEx, $user;

if ($config['force_server_vars'])

{

$check_path = $config['script_path'];

}

else

{

$check_path = ($user->page['root_script_path'] != '/') ? substr($user->page['root_script_path'], 0, -1) : '/';

}

// Is the user trying to link to a php file in this domain and script path?