author | Dan |
Thu, 12 Jul 2007 15:00:35 -0400 | |
changeset 3 | c0c445d4a13e |
parent 0 | f9ffdbd96607 |
permissions | -rw-r--r-- |
0 | 1 |
<?php |
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/*********************************************************************** |
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Copyright (C) 2002-2005 Rickard Andersson (rickard@punbb.org) |
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This file is part of PunBB. |
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PunBB is free software; you can redistribute it and/or modify it |
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under the terms of the GNU General Public License as published |
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by the Free Software Foundation; either version 2 of the License, |
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or (at your option) any later version. |
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PunBB is distributed in the hope that it will be useful, but |
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WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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You should have received a copy of the GNU General Public License |
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along with this program; if not, write to the Free Software |
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
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MA 02111-1307 USA |
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************************************************************************/ |
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// Make sure no one attempts to run this script "directly" |
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if (!defined('PUN')) |
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exit; |
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// Here you can add additional smilies if you like (please note that you must escape singlequote and backslash) |
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$smiley_text = array(':)', '=)', ':|', '=|', ':(', '=(', ':D', '=D', ':o', ':O', ';)', ':/', ':P', ':lol:', ':mad:', ':rolleyes:', ':cool:'); |
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$smiley_img = array('smile.png', 'smile.png', 'neutral.png', 'neutral.png', 'sad.png', 'sad.png', 'big_smile.png', 'big_smile.png', 'yikes.png', 'yikes.png', 'wink.png', 'hmm.png', 'tongue.png', 'lol.png', 'mad.png', 'roll.png', 'cool.png'); |
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// Uncomment the next row if you add smilies that contain any of the characters &"'<> |
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//$smiley_text = array_map('pun_htmlspecialchars', $smiley_text); |
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// |
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// Make sure all BBCodes are lower case and do a little cleanup |
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// |
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function preparse_bbcode($text, &$errors, $is_signature = false) |
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{ |
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// Change all simple BBCodes to lower case |
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$a = array('[B]', '[I]', '[U]', '[/B]', '[/I]', '[/U]'); |
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$b = array('[b]', '[i]', '[u]', '[/b]', '[/i]', '[/u]'); |
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$text = str_replace($a, $b, $text); |
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// Do the more complex BBCodes (also strip excessive whitespace and useless quotes) |
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$a = array( '#\[url=("|\'|)(.*?)\\1\]\s*#i', |
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'#\[url\]\s*#i', |
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'#\s*\[/url\]#i', |
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'#\[email=("|\'|)(.*?)\\1\]\s*#i', |
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'#\[email\]\s*#i', |
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'#\s*\[/email\]#i', |
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'#\[img\]\s*(.*?)\s*\[/img\]#is', |
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'#\[colou?r=("|\'|)(.*?)\\1\](.*?)\[/colou?r\]#is'); |
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$b = array( '[url=$2]', |
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'[url]', |
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'[/url]', |
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'[email=$2]', |
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'[email]', |
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'[/email]', |
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'[img]$1[/img]', |
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'[color=$2]$3[/color]'); |
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if (!$is_signature) |
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{ |
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// For non-signatures, we have to do the quote and code tags as well |
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$a[] = '#\[quote=("|"|\'|)(.*?)\\1\]\s*#i'; |
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$a[] = '#\[quote\]\s*#i'; |
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$a[] = '#\s*\[/quote\]\s*#i'; |
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$a[] = '#\[code\][\r\n]*(.*?)\s*\[/code\]\s*#is'; |
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$b[] = '[quote=$1$2$1]'; |
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$b[] = '[quote]'; |
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$b[] = '[/quote]'."\n"; |
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$b[] = '[code]$1[/code]'."\n"; |
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} |
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// Run this baby! |
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$text = preg_replace($a, $b, $text); |
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if (!$is_signature) |
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{ |
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$overflow = check_tag_order($text, $error); |
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if ($error) |
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// A BBCode error was spotted in check_tag_order() |
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$errors[] = $error; |
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else if ($overflow) |
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// The quote depth level was too high, so we strip out the inner most quote(s) |
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$text = substr($text, 0, $overflow[0]).substr($text, $overflow[1], (strlen($text) - $overflow[0])); |
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} |
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else |
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{ |
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global $lang_prof_reg; |
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if (preg_match('#\[quote=("|"|\'|)(.*)\\1\]|\[quote\]|\[/quote\]|\[code\]|\[/code\]#i', $text)) |
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message($lang_prof_reg['Signature quote/code']); |
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} |
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return trim($text); |
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} |
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// |
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// Parse text and make sure that [code] and [quote] syntax is correct |
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// |
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function check_tag_order($text, &$error) |
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{ |
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global $lang_common; |
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// The maximum allowed quote depth |
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$max_depth = 3; |
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$cur_index = 0; |
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$q_depth = 0; |
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while (true) |
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{ |
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// Look for regular code and quote tags |
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$c_start = strpos($text, '[code]'); |
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$c_end = strpos($text, '[/code]'); |
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$q_start = strpos($text, '[quote]'); |
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$q_end = strpos($text, '[/quote]'); |
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// Look for [quote=username] style quote tags |
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if (preg_match('#\[quote=("|"|\'|)(.*)\\1\]#sU', $text, $matches)) |
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$q2_start = strpos($text, $matches[0]); |
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else |
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$q2_start = 65536; |
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// Deal with strpos() returning false when the string is not found |
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// (65536 is one byte longer than the maximum post length) |
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if ($c_start === false) $c_start = 65536; |
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if ($c_end === false) $c_end = 65536; |
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if ($q_start === false) $q_start = 65536; |
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if ($q_end === false) $q_end = 65536; |
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// If none of the strings were found |
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if (min($c_start, $c_end, $q_start, $q_end, $q2_start) == 65536) |
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break; |
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// We are interested in the first quote (regardless of the type of quote) |
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$q3_start = ($q_start < $q2_start) ? $q_start : $q2_start; |
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// We found a [quote] or a [quote=username] |
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if ($q3_start < min($q_end, $c_start, $c_end)) |
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{ |
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$step = ($q_start < $q2_start) ? 7 : strlen($matches[0]); |
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$cur_index += $q3_start + $step; |
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// Did we reach $max_depth? |
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if ($q_depth == $max_depth) |
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$overflow_begin = $cur_index - $step; |
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++$q_depth; |
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$text = substr($text, $q3_start + $step); |
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} |
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// We found a [/quote] |
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else if ($q_end < min($q_start, $c_start, $c_end)) |
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{ |
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if ($q_depth == 0) |
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{ |
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$error = $lang_common['BBCode error'].' '.$lang_common['BBCode error 1']; |
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return; |
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} |
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$q_depth--; |
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$cur_index += $q_end+8; |
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// Did we reach $max_depth? |
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if ($q_depth == $max_depth) |
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$overflow_end = $cur_index; |
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$text = substr($text, $q_end+8); |
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} |
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// We found a [code] |
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else if ($c_start < min($c_end, $q_start, $q_end)) |
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{ |
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// Make sure there's a [/code] and that any new [code] doesn't occur before the end tag |
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$tmp = strpos($text, '[/code]'); |
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$tmp2 = strpos(substr($text, $c_start+6), '[code]'); |
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if ($tmp2 !== false) |
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$tmp2 += $c_start+6; |
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if ($tmp === false || ($tmp2 !== false && $tmp2 < $tmp)) |
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{ |
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$error = $lang_common['BBCode error'].' '.$lang_common['BBCode error 2']; |
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return; |
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} |
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else |
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$text = substr($text, $tmp+7); |
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$cur_index += $tmp+7; |
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} |
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// We found a [/code] (this shouldn't happen since we handle both start and end tag in the if clause above) |
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else if ($c_end < min($c_start, $q_start, $q_end)) |
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{ |
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$error = $lang_common['BBCode error'].' '.$lang_common['BBCode error 3']; |
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return; |
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} |
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} |
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// If $q_depth <> 0 something is wrong with the quote syntax |
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if ($q_depth) |
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{ |
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$error = $lang_common['BBCode error'].' '.$lang_common['BBCode error 4']; |
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return; |
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} |
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else if ($q_depth < 0) |
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{ |
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$error = $lang_common['BBCode error'].' '.$lang_common['BBCode error 5']; |
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return; |
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} |
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// If the quote depth level was higher than $max_depth we return the index for the |
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// beginning and end of the part we should strip out |
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if (isset($overflow_begin)) |
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return array($overflow_begin, $overflow_end); |
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else |
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return null; |
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} |
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// |
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// Split text into chunks ($inside contains all text inside $start and $end, and $outside contains all text outside) |
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// |
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function split_text($text, $start, $end) |
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{ |
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global $pun_config; |
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$tokens = explode($start, $text); |
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$outside[] = $tokens[0]; |
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$num_tokens = count($tokens); |
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for ($i = 1; $i < $num_tokens; ++$i) |
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{ |
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$temp = explode($end, $tokens[$i]); |
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$inside[] = $temp[0]; |
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$outside[] = $temp[1]; |
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} |
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if ($pun_config['o_indent_num_spaces'] != 8 && $start == '[code]') |
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{ |
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$spaces = str_repeat(' ', $pun_config['o_indent_num_spaces']); |
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$inside = str_replace("\t", $spaces, $inside); |
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} |
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return array($inside, $outside); |
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} |
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// |
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// Truncate URL if longer than 55 characters (add http:// or ftp:// if missing) |
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// |
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function handle_url_tag($url, $link = '') |
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{ |
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global $pun_user; |
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$full_url = str_replace(array(' ', '\'', '`', '"'), array('%20', '', '', ''), $url); |
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if (strpos($url, 'www.') === 0) // If it starts with www, we add http:// |
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$full_url = 'http://'.$full_url; |
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else if (strpos($url, 'ftp.') === 0) // Else if it starts with ftp, we add ftp:// |
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$full_url = 'ftp://'.$full_url; |
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else if (!preg_match('#^([a-z0-9]{3,6})://#', $url, $bah)) // Else if it doesn't start with abcdef://, we add http:// |
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$full_url = 'http://'.$full_url; |
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// Ok, not very pretty :-) |
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$link = ($link == '' || $link == $url) ? ((strlen($url) > 55) ? substr($url, 0 , 39).' … '.substr($url, -10) : $url) : stripslashes($link); |
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return '<a href="'.$full_url.'">'.$link.'</a>'; |
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} |
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// |
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// Turns an URL from the [img] tag into an <img> tag or a <a href...> tag |
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// |
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function handle_img_tag($url, $is_signature = false) |
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{ |
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global $lang_common, $pun_config, $pun_user; |
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$img_tag = '<a href="'.$url.'"><'.$lang_common['Image link'].'></a>'; |
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if ($is_signature && $pun_user['show_img_sig'] != '0') |
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$img_tag = '<img class="sigimage" src="'.$url.'" alt="'.htmlspecialchars($url).'" />'; |
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else if (!$is_signature && $pun_user['show_img'] != '0') |
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$img_tag = '<img class="postimg" src="'.$url.'" alt="'.htmlspecialchars($url).'" />'; |
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return $img_tag; |
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} |
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// |
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// Convert BBCodes to their HTML equivalent |
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// |
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function do_bbcode($text) |
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{ |
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global $lang_common, $pun_user; |
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if (strpos($text, 'quote') !== false) |
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{ |
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$text = str_replace('[quote]', '</p><blockquote><div class="incqbox"><p>', $text); |
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$text = preg_replace('#\[quote=("|"|\'|)(.*)\\1\]#seU', '"</p><blockquote><div class=\"incqbox\"><h4>".str_replace(array(\'[\', \'\\"\'), array(\'[\', \'"\'), \'$2\')." ".$lang_common[\'wrote\'].":</h4><p>"', $text); |
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$text = preg_replace('#\[\/quote\]\s*#', '</p></div></blockquote><p>', $text); |
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} |
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$pattern = array('#\[b\](.*?)\[/b\]#s', |
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'#\[i\](.*?)\[/i\]#s', |
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'#\[u\](.*?)\[/u\]#s', |
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'#\[url\]([^\[]*?)\[/url\]#e', |
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'#\[url=([^\[]*?)\](.*?)\[/url\]#e', |
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'#\[email\]([^\[]*?)\[/email\]#', |
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'#\[email=([^\[]*?)\](.*?)\[/email\]#', |
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'#\[color=([a-zA-Z]*|\#?[0-9a-fA-F]{6})](.*?)\[/color\]#s'); |
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$replace = array('<strong>$1</strong>', |
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'<em>$1</em>', |
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'<span class="bbu">$1</span>', |
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'handle_url_tag(\'$1\')', |
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'handle_url_tag(\'$1\', \'$2\')', |
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'<a href="mailto:$1">$1</a>', |
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'<a href="mailto:$1">$2</a>', |
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'<span style="color: $1">$2</span>'); |
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// This thing takes a while! :) |
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$text = preg_replace($pattern, $replace, $text); |
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return $text; |
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} |
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// |
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// Make hyperlinks clickable |
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// |
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function do_clickable($text) |
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{ |
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global $pun_user; |
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$text = ' '.$text; |
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$text = preg_replace('#([\s\(\)])(https?|ftp|news){1}://([\w\-]+\.([\w\-]+\.)*[\w]+(:[0-9]+)?(/[^"\s\(\)<\[]*)?)#ie', '\'$1\'.handle_url_tag(\'$2://$3\')', $text); |
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$text = preg_replace('#([\s\(\)])(www|ftp)\.(([\w\-]+\.)*[\w]+(:[0-9]+)?(/[^"\s\(\)<\[]*)?)#ie', '\'$1\'.handle_url_tag(\'$2.$3\', \'$2.$3\')', $text); |
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return substr($text, 1); |
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} |
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353 |
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354 |
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// |
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// Convert a series of smilies to images |
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// |
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function do_smilies($text) |
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{ |
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360 |
global $smiley_text, $smiley_img; |
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361 |
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$text = ' '.$text.' '; |
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$num_smilies = count($smiley_text); |
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for ($i = 0; $i < $num_smilies; ++$i) |
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3
c0c445d4a13e
Got some basic security in there, admin panel works now, and most admin panel forms work (used regex mass search + replace)
Dan
parents:
0
diff
changeset
|
366 |
$text = preg_replace("#(?<=.\W|\W.|^\W)".preg_quote($smiley_text[$i], '#')."(?=.\W|\W.|\W$)#m", '$1<img src="' . scriptPath . '/punbb/img/smilies/'.$smiley_img[$i].'" width="15" height="15" alt="'.substr($smiley_img[$i], 0, strrpos($smiley_img[$i], '.')).'" />$2', $text); |
0 | 367 |
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return substr($text, 1, -1); |
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} |
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370 |
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371 |
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372 |
// |
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// Parse message text |
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// |
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function parse_message($text, $hide_smilies) |
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{ |
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global $pun_config, $lang_common, $pun_user; |
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378 |
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379 |
if ($pun_config['o_censoring'] == '1') |
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$text = censor_words($text); |
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381 |
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// Convert applicable characters to HTML entities |
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$text = pun_htmlspecialchars($text); |
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384 |
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// If the message contains a code tag we have to split it up (text within [code][/code] shouldn't be touched) |
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if (strpos($text, '[code]') !== false && strpos($text, '[/code]') !== false) |
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{ |
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list($inside, $outside) = split_text($text, '[code]', '[/code]'); |
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$outside = array_map('ltrim', $outside); |
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$text = implode('<">', $outside); |
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} |
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392 |
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if ($pun_config['o_make_links'] == '1') |
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$text = do_clickable($text); |
|
395 |
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396 |
if ($pun_config['o_smilies'] == '1' && $pun_user['show_smilies'] == '1' && $hide_smilies == '0') |
|
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$text = do_smilies($text); |
|
398 |
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399 |
if ($pun_config['p_message_bbcode'] == '1' && strpos($text, '[') !== false && strpos($text, ']') !== false) |
|
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{ |
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$text = do_bbcode($text); |
|
402 |
||
403 |
if ($pun_config['p_message_img_tag'] == '1') |
|
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{ |
|
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// $text = preg_replace('#\[img\]((ht|f)tps?://)([^\s<"]*?)\.(jpg|jpeg|png|gif)\[/img\]#e', 'handle_img_tag(\'$1$3.$4\')', $text); |
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$text = preg_replace('#\[img\]((ht|f)tps?://)([^\s<"]*?)\[/img\]#e', 'handle_img_tag(\'$1$3\')', $text); |
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} |
|
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} |
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409 |
||
410 |
// Deal with newlines, tabs and multiple spaces |
|
411 |
$pattern = array("\n", "\t", ' ', ' '); |
|
412 |
$replace = array('<br />', ' ', ' ', ' '); |
|
413 |
$text = str_replace($pattern, $replace, $text); |
|
414 |
||
415 |
// If we split up the message before we have to concatenate it together again (code tags) |
|
416 |
if (isset($inside)) |
|
417 |
{ |
|
418 |
$outside = explode('<">', $text); |
|
419 |
$text = ''; |
|
420 |
||
421 |
$num_tokens = count($outside); |
|
422 |
||
423 |
for ($i = 0; $i < $num_tokens; ++$i) |
|
424 |
{ |
|
425 |
$text .= $outside[$i]; |
|
426 |
if (isset($inside[$i])) |
|
427 |
{ |
|
428 |
$num_lines = ((substr_count($inside[$i], "\n")) + 3) * 1.5; |
|
429 |
$height_str = ($num_lines > 35) ? '35em' : $num_lines.'em'; |
|
430 |
$text .= '</p><div class="codebox"><div class="incqbox"><h4>'.$lang_common['Code'].':</h4><div class="scrollbox" style="height: '.$height_str.'"><pre>'.$inside[$i].'</pre></div></div></div><p>'; |
|
431 |
} |
|
432 |
} |
|
433 |
} |
|
434 |
||
435 |
// Add paragraph tag around post, but make sure there are no empty paragraphs |
|
436 |
$text = str_replace('<p></p>', '', '<p>'.$text.'</p>'); |
|
437 |
||
438 |
return $text; |
|
439 |
} |
|
440 |
||
441 |
||
442 |
// |
|
443 |
// Parse signature text |
|
444 |
// |
|
445 |
function parse_signature($text) |
|
446 |
{ |
|
447 |
global $pun_config, $lang_common, $pun_user; |
|
448 |
||
449 |
if ($pun_config['o_censoring'] == '1') |
|
450 |
$text = censor_words($text); |
|
451 |
||
452 |
$text = pun_htmlspecialchars($text); |
|
453 |
||
454 |
if ($pun_config['o_make_links'] == '1') |
|
455 |
$text = do_clickable($text); |
|
456 |
||
457 |
if ($pun_config['o_smilies_sig'] == '1' && $pun_user['show_smilies'] != '0') |
|
458 |
$text = do_smilies($text); |
|
459 |
||
460 |
if ($pun_config['p_sig_bbcode'] == '1' && strpos($text, '[') !== false && strpos($text, ']') !== false) |
|
461 |
{ |
|
462 |
$text = do_bbcode($text); |
|
463 |
||
464 |
if ($pun_config['p_sig_img_tag'] == '1') |
|
465 |
{ |
|
466 |
// $text = preg_replace('#\[img\]((ht|f)tps?://)([^\s<"]*?)\.(jpg|jpeg|png|gif)\[/img\]#e', 'handle_img_tag(\'$1$3.$4\', true)', $text); |
|
467 |
$text = preg_replace('#\[img\]((ht|f)tps?://)([^\s<"]*?)\[/img\]#e', 'handle_img_tag(\'$1$3\', true)', $text); |
|
468 |
} |
|
469 |
} |
|
470 |
||
471 |
// Deal with newlines, tabs and multiple spaces |
|
472 |
$pattern = array("\n", "\t", ' ', ' '); |
|
473 |
$replace = array('<br />', ' ', ' ', ' '); |
|
474 |
$text = str_replace($pattern, $replace, $text); |
|
475 |
||
476 |
return $text; |
|
477 |
} |