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authorpolo <ordipolo@gmx.fr>2021-04-20 21:46:33 +0200
committerpolo <ordipolo@gmx.fr>2021-04-20 21:46:33 +0200
commit87798e5554eb0330cd2de255e5034f0472d410a4 (patch)
treeacd9e26a7d912c7575cb6dd1c7b42cc3e9f52993 /lib/htmlawed/htmLawed.php
downloadmelaine-87798e5554eb0330cd2de255e5034f0472d410a4.zip
mot de passe
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diff --git a/lib/htmlawed/htmLawed.php b/lib/htmlawed/htmLawed.php
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1<?php
2
3/*
4htmLawed 1.2.5, 24 September 2019
5Copyright Santosh Patnaik
6Dual licensed with LGPL 3 and GPL 2+
7A PHP Labware internal utility - www.bioinformatics.org/phplabware/internal_utilities/htmLawed
8
9See htmLawed_README.txt/htm
10*/
11
12function htmLawed($t, $C=1, $S=array()){
13$C = is_array($C) ? $C : array();
14if(!empty($C['valid_xhtml'])){
15 $C['elements'] = empty($C['elements']) ? '*-acronym-big-center-dir-font-isindex-s-strike-tt' : $C['elements'];
16 $C['make_tag_strict'] = isset($C['make_tag_strict']) ? $C['make_tag_strict'] : 2;
17 $C['xml:lang'] = isset($C['xml:lang']) ? $C['xml:lang'] : 2;
18}
19// config eles
20$e = array('a'=>1, 'abbr'=>1, 'acronym'=>1, 'address'=>1, 'applet'=>1, 'area'=>1, 'article'=>1, 'aside'=>1, 'audio'=>1, 'b'=>1, 'bdi'=>1, 'bdo'=>1, 'big'=>1, 'blockquote'=>1, 'br'=>1, 'button'=>1, 'canvas'=>1, 'caption'=>1, 'center'=>1, 'cite'=>1, 'code'=>1, 'col'=>1, 'colgroup'=>1, 'command'=>1, 'data'=>1, 'datalist'=>1, 'dd'=>1, 'del'=>1, 'details'=>1, 'dfn'=>1, 'dir'=>1, 'div'=>1, 'dl'=>1, 'dt'=>1, 'em'=>1, 'embed'=>1, 'fieldset'=>1, 'figcaption'=>1, 'figure'=>1, 'font'=>1, 'footer'=>1, 'form'=>1, 'h1'=>1, 'h2'=>1, 'h3'=>1, 'h4'=>1, 'h5'=>1, 'h6'=>1, 'header'=>1, 'hgroup'=>1, 'hr'=>1, 'i'=>1, 'iframe'=>1, 'img'=>1, 'input'=>1, 'ins'=>1, 'isindex'=>1, 'kbd'=>1, 'keygen'=>1, 'label'=>1, 'legend'=>1, 'li'=>1, 'link'=>1, 'main'=>1, 'map'=>1, 'mark'=>1, 'menu'=>1, 'meta'=>1, 'meter'=>1, 'nav'=>1, 'noscript'=>1, 'object'=>1, 'ol'=>1, 'optgroup'=>1, 'option'=>1, 'output'=>1, 'p'=>1, 'param'=>1, 'pre'=>1, 'progress'=>1, 'q'=>1, 'rb'=>1, 'rbc'=>1, 'rp'=>1, 'rt'=>1, 'rtc'=>1, 'ruby'=>1, 's'=>1, 'samp'=>1, 'script'=>1, 'section'=>1, 'select'=>1, 'small'=>1, 'source'=>1, 'span'=>1, 'strike'=>1, 'strong'=>1, 'style'=>1, 'sub'=>1, 'summary'=>1, 'sup'=>1, 'table'=>1, 'tbody'=>1, 'td'=>1, 'textarea'=>1, 'tfoot'=>1, 'th'=>1, 'thead'=>1, 'time'=>1, 'tr'=>1, 'track'=>1, 'tt'=>1, 'u'=>1, 'ul'=>1, 'var'=>1, 'video'=>1, 'wbr'=>1); // 118 incl. deprecated & some Ruby
21
22if(!empty($C['safe'])){
23 unset($e['applet'], $e['audio'], $e['canvas'], $e['embed'], $e['iframe'], $e['object'], $e['script'], $e['video']);
24}
25$x = !empty($C['elements']) ? str_replace(array("\n", "\r", "\t", ' '), '', $C['elements']) : '*';
26if($x == '-*'){$e = array();}
27elseif(strpos($x, '*') === false){$e = array_flip(explode(',', $x));}
28else{
29 if(isset($x[1])){
30 preg_match_all('`(?:^|-|\+)[^\-+]+?(?=-|\+|$)`', $x, $m, PREG_SET_ORDER);
31 for($i=count($m); --$i>=0;){$m[$i] = $m[$i][0];}
32 foreach($m as $v){
33 if($v[0] == '+'){$e[substr($v, 1)] = 1;}
34 if($v[0] == '-' && isset($e[($v = substr($v, 1))]) && !in_array('+'. $v, $m)){unset($e[$v]);}
35 }
36 }
37}
38$C['elements'] =& $e;
39// config attrs
40$x = !empty($C['deny_attribute']) ? strtolower(str_replace(array("\n", "\r", "\t", ' '), '', $C['deny_attribute'])) : '';
41$x = array_flip((isset($x[0]) && $x[0] == '*') ? str_replace('/', 'data-', explode('-', str_replace('data-', '/', $x))) : explode(',', $x. (!empty($C['safe']) ? ',on*' : '')));
42$C['deny_attribute'] = $x;
43// config URLs
44$x = (isset($C['schemes'][2]) && strpos($C['schemes'], ':')) ? strtolower($C['schemes']) : 'href: aim, feed, file, ftp, gopher, http, https, irc, mailto, news, nntp, sftp, ssh, tel, telnet'. (empty($C['safe']) ? ', app, javascript; *: data, javascript, ' : '; *:'). 'file, http, https';
45$C['schemes'] = array();
46foreach(explode(';', trim(str_replace(array(' ', "\t", "\r", "\n"), '', $x), ';')) as $v){
47 $x = $x2 = null; list($x, $x2) = explode(':', $v, 2);
48 if($x2){$C['schemes'][$x] = array_flip(explode(',', $x2));}
49}
50if(!isset($C['schemes']['*'])){
51 $C['schemes']['*'] = array('file'=>1, 'http'=>1, 'https'=>1);
52 if(empty($C['safe'])){$C['schemes']['*'] += array('data'=>1, 'javascript'=>1);}
53}
54if(!empty($C['safe']) && empty($C['schemes']['style'])){$C['schemes']['style'] = array('!'=>1);}
55$C['abs_url'] = isset($C['abs_url']) ? $C['abs_url'] : 0;
56if(!isset($C['base_url']) or !preg_match('`^[a-zA-Z\d.+\-]+://[^/]+/(.+?/)?$`', $C['base_url'])){
57 $C['base_url'] = $C['abs_url'] = 0;
58}
59// config rest
60$C['and_mark'] = empty($C['and_mark']) ? 0 : 1;
61$C['anti_link_spam'] = (isset($C['anti_link_spam']) && is_array($C['anti_link_spam']) && count($C['anti_link_spam']) == 2 && (empty($C['anti_link_spam'][0]) or hl_regex($C['anti_link_spam'][0])) && (empty($C['anti_link_spam'][1]) or hl_regex($C['anti_link_spam'][1]))) ? $C['anti_link_spam'] : 0;
62$C['anti_mail_spam'] = isset($C['anti_mail_spam']) ? $C['anti_mail_spam'] : 0;
63$C['balance'] = isset($C['balance']) ? (bool)$C['balance'] : 1;
64$C['cdata'] = isset($C['cdata']) ? $C['cdata'] : (empty($C['safe']) ? 3 : 0);
65$C['clean_ms_char'] = empty($C['clean_ms_char']) ? 0 : $C['clean_ms_char'];
66$C['comment'] = isset($C['comment']) ? $C['comment'] : (empty($C['safe']) ? 3 : 0);
67$C['css_expression'] = empty($C['css_expression']) ? 0 : 1;
68$C['direct_list_nest'] = empty($C['direct_list_nest']) ? 0 : 1;
69$C['hexdec_entity'] = isset($C['hexdec_entity']) ? $C['hexdec_entity'] : 1;
70$C['hook'] = (!empty($C['hook']) && function_exists($C['hook'])) ? $C['hook'] : 0;
71$C['hook_tag'] = (!empty($C['hook_tag']) && function_exists($C['hook_tag'])) ? $C['hook_tag'] : 0;
72$C['keep_bad'] = isset($C['keep_bad']) ? $C['keep_bad'] : 6;
73$C['lc_std_val'] = isset($C['lc_std_val']) ? (bool)$C['lc_std_val'] : 1;
74$C['make_tag_strict'] = isset($C['make_tag_strict']) ? $C['make_tag_strict'] : 1;
75$C['named_entity'] = isset($C['named_entity']) ? (bool)$C['named_entity'] : 1;
76$C['no_deprecated_attr'] = isset($C['no_deprecated_attr']) ? $C['no_deprecated_attr'] : 1;
77$C['parent'] = isset($C['parent'][0]) ? strtolower($C['parent']) : 'body';
78$C['show_setting'] = !empty($C['show_setting']) ? $C['show_setting'] : 0;
79$C['style_pass'] = empty($C['style_pass']) ? 0 : 1;
80$C['tidy'] = empty($C['tidy']) ? 0 : $C['tidy'];
81$C['unique_ids'] = isset($C['unique_ids']) && (!preg_match('`\W`', $C['unique_ids'])) ? $C['unique_ids'] : 1;
82$C['xml:lang'] = isset($C['xml:lang']) ? $C['xml:lang'] : 0;
83
84if(isset($GLOBALS['C'])){$reC = $GLOBALS['C'];}
85$GLOBALS['C'] = $C;
86$S = is_array($S) ? $S : hl_spec($S);
87if(isset($GLOBALS['S'])){$reS = $GLOBALS['S'];}
88$GLOBALS['S'] = $S;
89
90$t = preg_replace('`[\x00-\x08\x0b-\x0c\x0e-\x1f]`', '', $t);
91if($C['clean_ms_char']){
92 $x = array("\x7f"=>'', "\x80"=>'&#8364;', "\x81"=>'', "\x83"=>'&#402;', "\x85"=>'&#8230;', "\x86"=>'&#8224;', "\x87"=>'&#8225;', "\x88"=>'&#710;', "\x89"=>'&#8240;', "\x8a"=>'&#352;', "\x8b"=>'&#8249;', "\x8c"=>'&#338;', "\x8d"=>'', "\x8e"=>'&#381;', "\x8f"=>'', "\x90"=>'', "\x95"=>'&#8226;', "\x96"=>'&#8211;', "\x97"=>'&#8212;', "\x98"=>'&#732;', "\x99"=>'&#8482;', "\x9a"=>'&#353;', "\x9b"=>'&#8250;', "\x9c"=>'&#339;', "\x9d"=>'', "\x9e"=>'&#382;', "\x9f"=>'&#376;');
93 $x = $x + ($C['clean_ms_char'] == 1 ? array("\x82"=>'&#8218;', "\x84"=>'&#8222;', "\x91"=>'&#8216;', "\x92"=>'&#8217;', "\x93"=>'&#8220;', "\x94"=>'&#8221;') : array("\x82"=>'\'', "\x84"=>'"', "\x91"=>'\'', "\x92"=>'\'', "\x93"=>'"', "\x94"=>'"'));
94 $t = strtr($t, $x);
95}
96if($C['cdata'] or $C['comment']){$t = preg_replace_callback('`<!(?:(?:--.*?--)|(?:\[CDATA\[.*?\]\]))>`sm', 'hl_cmtcd', $t);}
97$t = preg_replace_callback('`&amp;([a-zA-Z][a-zA-Z0-9]{1,30}|#(?:[0-9]{1,8}|[Xx][0-9A-Fa-f]{1,7}));`', 'hl_ent', str_replace('&', '&amp;', $t));
98if($C['unique_ids'] && !isset($GLOBALS['hl_Ids'])){$GLOBALS['hl_Ids'] = array();}
99if($C['hook']){$t = $C['hook']($t, $C, $S);}
100if($C['show_setting'] && preg_match('`^[a-z][a-z0-9_]*$`i', $C['show_setting'])){
101 $GLOBALS[$C['show_setting']] = array('config'=>$C, 'spec'=>$S, 'time'=>microtime());
102}
103// main
104$t = preg_replace_callback('`<(?:(?:\s|$)|(?:[^>]*(?:>|$)))|>`m', 'hl_tag', $t);
105$t = $C['balance'] ? hl_bal($t, $C['keep_bad'], $C['parent']) : $t;
106$t = (($C['cdata'] or $C['comment']) && strpos($t, "\x01") !== false) ? str_replace(array("\x01", "\x02", "\x03", "\x04", "\x05"), array('', '', '&', '<', '>'), $t) : $t;
107$t = $C['tidy'] ? hl_tidy($t, $C['tidy'], $C['parent']) : $t;
108unset($C, $e);
109if(isset($reC)){$GLOBALS['C'] = $reC;}
110if(isset($reS)){$GLOBALS['S'] = $reS;}
111return $t;
112}
113
114function hl_attrval($a, $t, $p){
115// check attr val against $S
116static $ma = array('accesskey', 'class', 'itemtype', 'rel');
117$s = in_array($a, $ma) ? ' ' : ($a == 'srcset' ? ',': '');
118$r = array();
119$t = !empty($s) ? explode($s, $t) : array($t);
120foreach($t as $tk=>$tv){
121 $o = 1; $tv = trim($tv); $l = strlen($tv);
122 foreach($p as $k=>$v){
123 if(!$l){continue;}
124 switch($k){
125 case 'maxlen': if($l > $v){$o = 0;}
126 break; case 'minlen': if($l < $v){$o = 0;}
127 break; case 'maxval': if((float)($tv) > $v){$o = 0;}
128 break; case 'minval': if((float)($tv) < $v){$o = 0;}
129 break; case 'match': if(!preg_match($v, $tv)){$o = 0;}
130 break; case 'nomatch': if(preg_match($v, $tv)){$o = 0;}
131 break; case 'oneof':
132 $m = 0;
133 foreach(explode('|', $v) as $n){if($tv == $n){$m = 1; break;}}
134 $o = $m;
135 break; case 'noneof':
136 $m = 1;
137 foreach(explode('|', $v) as $n){if($tv == $n){$m = 0; break;}}
138 $o = $m;
139 break; default:
140 break;
141 }
142 if(!$o){break;}
143 }
144 if($o){$r[] = $tv;}
145}
146if($s == ','){$s = ', ';}
147$r = implode($s, $r);
148return (isset($r[0]) ? $r : (isset($p['default']) ? $p['default'] : 0));
149}
150
151function hl_bal($t, $do=1, $in='div'){
152// balance tags
153// by content
154$cB = array('blockquote'=>1, 'form'=>1, 'map'=>1, 'noscript'=>1); // Block
155$cE = array('area'=>1, 'br'=>1, 'col'=>1, 'command'=>1, 'embed'=>1, 'hr'=>1, 'img'=>1, 'input'=>1, 'isindex'=>1, 'keygen'=>1, 'link'=>1, 'meta'=>1, 'param'=>1, 'source'=>1, 'track'=>1, 'wbr'=>1); // Empty
156$cF = array('a'=>1, 'article'=>1, 'aside'=>1, 'audio'=>1, 'button'=>1, 'canvas'=>1, 'del'=>1, 'details'=>1, 'div'=>1, 'dd'=>1, 'fieldset'=>1, 'figure'=>1, 'footer'=>1, 'header'=>1, 'iframe'=>1, 'ins'=>1, 'li'=>1, 'main'=>1, 'menu'=>1, 'nav'=>1, 'noscript'=>1, 'object'=>1, 'section'=>1, 'style'=>1, 'td'=>1, 'th'=>1, 'video'=>1); // Flow; later context-wise dynamic move of ins & del to $cI
157$cI = array('abbr'=>1, 'acronym'=>1, 'address'=>1, 'b'=>1, 'bdi'=>1, 'bdo'=>1, 'big'=>1, 'caption'=>1, 'cite'=>1, 'code'=>1, 'data'=>1, 'datalist'=>1, 'dfn'=>1, 'dt'=>1, 'em'=>1, 'figcaption'=>1, 'font'=>1, 'h1'=>1, 'h2'=>1, 'h3'=>1, 'h4'=>1, 'h5'=>1, 'h6'=>1, 'hgroup'=>1, 'i'=>1, 'kbd'=>1, 'label'=>1, 'legend'=>1, 'mark'=>1, 'meter'=>1, 'output'=>1, 'p'=>1, 'pre'=>1, 'progress'=>1, 'q'=>1, 'rb'=>1, 'rt'=>1, 's'=>1, 'samp'=>1, 'small'=>1, 'span'=>1, 'strike'=>1, 'strong'=>1, 'sub'=>1, 'summary'=>1, 'sup'=>1, 'time'=>1, 'tt'=>1, 'u'=>1, 'var'=>1); // Inline
158$cN = array('a'=>array('a'=>1, 'address'=>1, 'button'=>1, 'details'=>1, 'embed'=>1, 'keygen'=>1, 'label'=>1, 'select'=>1, 'textarea'=>1), 'address'=>array('address'=>1, 'article'=>1, 'aside'=>1, 'header'=>1, 'keygen'=>1, 'footer'=>1, 'nav'=>1, 'section'=>1), 'button'=>array('a'=>1, 'address'=>1, 'button'=>1, 'details'=>1, 'embed'=>1, 'fieldset'=>1, 'form'=>1, 'iframe'=>1, 'input'=>1, 'keygen'=>1, 'label'=>1, 'select'=>1, 'textarea'=>1), 'fieldset'=>array('fieldset'=>1), 'footer'=>array('header'=>1, 'footer'=>1), 'form'=>array('form'=>1), 'header'=>array('header'=>1, 'footer'=>1), 'label'=>array('label'=>1), 'main'=>array('main'=>1), 'meter'=>array('meter'=>1), 'noscript'=>array('script'=>1), 'pre'=>array('big'=>1, 'font'=>1, 'img'=>1, 'object'=>1, 'script'=>1, 'small'=>1, 'sub'=>1, 'sup'=>1), 'progress'=>array('progress'=>1), 'rb'=>array('ruby'=>1), 'rt'=>array('ruby'=>1), 'time'=>array('time'=>1), ); // Illegal
159$cN2 = array_keys($cN);
160$cS = array('colgroup'=>array('col'=>1), 'datalist'=>array('option'=>1), 'dir'=>array('li'=>1), 'dl'=>array('dd'=>1, 'dt'=>1), 'hgroup'=>array('h1'=>1, 'h2'=>1, 'h3'=>1, 'h4'=>1, 'h5'=>1, 'h6'=>1), 'menu'=>array('li'=>1), 'ol'=>array('li'=>1), 'optgroup'=>array('option'=>1), 'option'=>array('#pcdata'=>1), 'rbc'=>array('rb'=>1), 'rp'=>array('#pcdata'=>1), 'rtc'=>array('rt'=>1), 'ruby'=>array('rb'=>1, 'rbc'=>1, 'rp'=>1, 'rt'=>1, 'rtc'=>1), 'select'=>array('optgroup'=>1, 'option'=>1), 'script'=>array('#pcdata'=>1), 'table'=>array('caption'=>1, 'col'=>1, 'colgroup'=>1, 'tfoot'=>1, 'tbody'=>1, 'tr'=>1, 'thead'=>1), 'tbody'=>array('tr'=>1), 'tfoot'=>array('tr'=>1), 'textarea'=>array('#pcdata'=>1), 'thead'=>array('tr'=>1), 'tr'=>array('td'=>1, 'th'=>1), 'ul'=>array('li'=>1)); // Specific - immediate parent-child
161if($GLOBALS['C']['direct_list_nest']){$cS['ol'] = $cS['ul'] = $cS['menu'] += array('menu'=>1, 'ol'=>1, 'ul'=>1);}
162$cO = array('address'=>array('p'=>1), 'applet'=>array('param'=>1), 'audio'=>array('source'=>1, 'track'=>1), 'blockquote'=>array('script'=>1), 'details'=>array('summary'=>1), 'fieldset'=>array('legend'=>1, '#pcdata'=>1), 'figure'=>array('figcaption'=>1),'form'=>array('script'=>1), 'map'=>array('area'=>1), 'object'=>array('param'=>1, 'embed'=>1), 'video'=>array('source'=>1, 'track'=>1)); // Other
163$cT = array('colgroup'=>1, 'dd'=>1, 'dt'=>1, 'li'=>1, 'option'=>1, 'p'=>1, 'td'=>1, 'tfoot'=>1, 'th'=>1, 'thead'=>1, 'tr'=>1); // Omitable closing
164// block/inline type; a/ins/del both type; #pcdata: text
165$eB = array('a'=>1, 'address'=>1, 'article'=>1, 'aside'=>1, 'blockquote'=>1, 'center'=>1, 'del'=>1, 'details'=>1, 'dir'=>1, 'dl'=>1, 'div'=>1, 'fieldset'=>1, 'figure'=>1, 'footer'=>1, 'form'=>1, 'ins'=>1, 'h1'=>1, 'h2'=>1, 'h3'=>1, 'h4'=>1, 'h5'=>1, 'h6'=>1, 'header'=>1, 'hr'=>1, 'isindex'=>1, 'main'=>1, 'menu'=>1, 'nav'=>1, 'noscript'=>1, 'ol'=>1, 'p'=>1, 'pre'=>1, 'section'=>1, 'style'=>1, 'table'=>1, 'ul'=>1);
166$eI = array('#pcdata'=>1, 'a'=>1, 'abbr'=>1, 'acronym'=>1, 'applet'=>1, 'audio'=>1, 'b'=>1, 'bdi'=>1, 'bdo'=>1, 'big'=>1, 'br'=>1, 'button'=>1, 'canvas'=>1, 'cite'=>1, 'code'=>1, 'command'=>1, 'data'=>1, 'datalist'=>1, 'del'=>1, 'dfn'=>1, 'em'=>1, 'embed'=>1, 'figcaption'=>1, 'font'=>1, 'i'=>1, 'iframe'=>1, 'img'=>1, 'input'=>1, 'ins'=>1, 'kbd'=>1, 'label'=>1, 'link'=>1, 'map'=>1, 'mark'=>1, 'meta'=>1, 'meter'=>1, 'object'=>1, 'output'=>1, 'progress'=>1, 'q'=>1, 'ruby'=>1, 's'=>1, 'samp'=>1, 'select'=>1, 'script'=>1, 'small'=>1, 'span'=>1, 'strike'=>1, 'strong'=>1, 'sub'=>1, 'summary'=>1, 'sup'=>1, 'textarea'=>1, 'time'=>1, 'tt'=>1, 'u'=>1, 'var'=>1, 'video'=>1, 'wbr'=>1);
167$eN = array('a'=>1, 'address'=>1, 'article'=>1, 'aside'=>1, 'big'=>1, 'button'=>1, 'details'=>1, 'embed'=>1, 'fieldset'=>1, 'font'=>1, 'footer'=>1, 'form'=>1, 'header'=>1, 'iframe'=>1, 'img'=>1, 'input'=>1, 'keygen'=>1, 'label'=>1, 'meter'=>1, 'nav'=>1, 'object'=>1, 'progress'=>1, 'ruby'=>1, 'script'=>1, 'select'=>1, 'small'=>1, 'sub'=>1, 'sup'=>1, 'textarea'=>1, 'time'=>1); // Exclude from specific ele; $cN values
168$eO = array('area'=>1, 'caption'=>1, 'col'=>1, 'colgroup'=>1, 'command'=>1, 'dd'=>1, 'dt'=>1, 'hgroup'=>1, 'keygen'=>1, 'legend'=>1, 'li'=>1, 'optgroup'=>1, 'option'=>1, 'param'=>1, 'rb'=>1, 'rbc'=>1, 'rp'=>1, 'rt'=>1, 'rtc'=>1, 'script'=>1, 'source'=>1, 'tbody'=>1, 'td'=>1, 'tfoot'=>1, 'thead'=>1, 'th'=>1, 'tr'=>1, 'track'=>1); // Missing in $eB & $eI
169$eF = $eB + $eI;
170
171// $in sets allowed child
172$in = ((isset($eF[$in]) && $in != '#pcdata') or isset($eO[$in])) ? $in : 'div';
173if(isset($cE[$in])){
174 return (!$do ? '' : str_replace(array('<', '>'), array('&lt;', '&gt;'), $t));
175}
176if(isset($cS[$in])){$inOk = $cS[$in];}
177elseif(isset($cI[$in])){$inOk = $eI; $cI['del'] = 1; $cI['ins'] = 1;}
178elseif(isset($cF[$in])){$inOk = $eF; unset($cI['del'], $cI['ins']);}
179elseif(isset($cB[$in])){$inOk = $eB; unset($cI['del'], $cI['ins']);}
180if(isset($cO[$in])){$inOk = $inOk + $cO[$in];}
181if(isset($cN[$in])){$inOk = array_diff_assoc($inOk, $cN[$in]);}
182
183$t = explode('<', $t);
184$ok = $q = array(); // $q seq list of open non-empty ele
185ob_start();
186
187for($i=-1, $ci=count($t); ++$i<$ci;){
188 // allowed $ok in parent $p
189 if($ql = count($q)){
190 $p = array_pop($q);
191 $q[] = $p;
192 if(isset($cS[$p])){$ok = $cS[$p];}
193 elseif(isset($cI[$p])){$ok = $eI; $cI['del'] = 1; $cI['ins'] = 1;}
194 elseif(isset($cF[$p])){$ok = $eF; unset($cI['del'], $cI['ins']);}
195 elseif(isset($cB[$p])){$ok = $eB; unset($cI['del'], $cI['ins']);}
196 if(isset($cO[$p])){$ok = $ok + $cO[$p];}
197 if(isset($cN[$p])){$ok = array_diff_assoc($ok, $cN[$p]);}
198 }else{$ok = $inOk; unset($cI['del'], $cI['ins']);}
199 // bad tags, & ele content
200 if(isset($e) && ($do == 1 or (isset($ok['#pcdata']) && ($do == 3 or $do == 5)))){
201 echo '&lt;', $s, $e, $a, '&gt;';
202 }
203 if(isset($x[0])){
204 if(strlen(trim($x)) && (($ql && isset($cB[$p])) or (isset($cB[$in]) && !$ql))){
205 echo '<div>', $x, '</div>';
206 }
207 elseif($do < 3 or isset($ok['#pcdata'])){echo $x;}
208 elseif(strpos($x, "\x02\x04")){
209 foreach(preg_split('`(\x01\x02[^\x01\x02]+\x02\x01)`', $x, -1, PREG_SPLIT_DELIM_CAPTURE | PREG_SPLIT_NO_EMPTY) as $v){
210 echo (substr($v, 0, 2) == "\x01\x02" ? $v : ($do > 4 ? preg_replace('`\S`', '', $v) : ''));
211 }
212 }elseif($do > 4){echo preg_replace('`\S`', '', $x);}
213 }
214 // get markup
215 if(!preg_match('`^(/?)([a-z1-6]+)([^>]*)>(.*)`sm', $t[$i], $r)){$x = $t[$i]; continue;}
216 $s = null; $e = null; $a = null; $x = null; list($all, $s, $e, $a, $x) = $r;
217 // close tag
218 if($s){
219 if(isset($cE[$e]) or !in_array($e, $q)){continue;} // Empty/unopen
220 if($p == $e){array_pop($q); echo '</', $e, '>'; unset($e); continue;} // Last open
221 $add = ''; // Nesting - close open tags that need to be
222 for($j=-1, $cj=count($q); ++$j<$cj;){
223 if(($d = array_pop($q)) == $e){break;}
224 else{$add .= "</{$d}>";}
225 }
226 echo $add, '</', $e, '>'; unset($e); continue;
227 }
228 // open tag
229 // $cB ele needs $eB ele as child
230 if(isset($cB[$e]) && strlen(trim($x))){
231 $t[$i] = "{$e}{$a}>";
232 array_splice($t, $i+1, 0, 'div>'. $x); unset($e, $x); ++$ci; --$i; continue;
233 }
234 if((($ql && isset($cB[$p])) or (isset($cB[$in]) && !$ql)) && !isset($eB[$e]) && !isset($ok[$e])){
235 array_splice($t, $i, 0, 'div>'); unset($e, $x); ++$ci; --$i; continue;
236 }
237 // if no open ele, $in = parent; mostly immediate parent-child relation should hold
238 if(!$ql or !isset($eN[$e]) or !array_intersect($q, $cN2)){
239 if(!isset($ok[$e])){
240 if($ql && isset($cT[$p])){echo '</', array_pop($q), '>'; unset($e, $x); --$i;}
241 continue;
242 }
243 if(!isset($cE[$e])){$q[] = $e;}
244 echo '<', $e, $a, '>'; unset($e); continue;
245 }
246 // specific parent-child
247 if(isset($cS[$p][$e])){
248 if(!isset($cE[$e])){$q[] = $e;}
249 echo '<', $e, $a, '>'; unset($e); continue;
250 }
251 // nesting
252 $add = '';
253 $q2 = array();
254 for($k=-1, $kc=count($q); ++$k<$kc;){
255 $d = $q[$k];
256 $ok2 = array();
257 if(isset($cS[$d])){$q2[] = $d; continue;}
258 $ok2 = isset($cI[$d]) ? $eI : $eF;
259 if(isset($cO[$d])){$ok2 = $ok2 + $cO[$d];}
260 if(isset($cN[$d])){$ok2 = array_diff_assoc($ok2, $cN[$d]);}
261 if(!isset($ok2[$e])){
262 if(!$k && !isset($inOk[$e])){continue 2;}
263 $add = "</{$d}>";
264 for(;++$k<$kc;){$add = "</{$q[$k]}>{$add}";}
265 break;
266 }
267 else{$q2[] = $d;}
268 }
269 $q = $q2;
270 if(!isset($cE[$e])){$q[] = $e;}
271 echo $add, '<', $e, $a, '>'; unset($e); continue;
272}
273
274// end
275if($ql = count($q)){
276 $p = array_pop($q);
277 $q[] = $p;
278 if(isset($cS[$p])){$ok = $cS[$p];}
279 elseif(isset($cI[$p])){$ok = $eI; $cI['del'] = 1; $cI['ins'] = 1;}
280 elseif(isset($cF[$p])){$ok = $eF; unset($cI['del'], $cI['ins']);}
281 elseif(isset($cB[$p])){$ok = $eB; unset($cI['del'], $cI['ins']);}
282 if(isset($cO[$p])){$ok = $ok + $cO[$p];}
283 if(isset($cN[$p])){$ok = array_diff_assoc($ok, $cN[$p]);}
284}else{$ok = $inOk; unset($cI['del'], $cI['ins']);}
285if(isset($e) && ($do == 1 or (isset($ok['#pcdata']) && ($do == 3 or $do == 5)))){
286 echo '&lt;', $s, $e, $a, '&gt;';
287}
288if(isset($x[0])){
289 if(strlen(trim($x)) && (($ql && isset($cB[$p])) or (isset($cB[$in]) && !$ql))){
290 echo '<div>', $x, '</div>';
291 }
292 elseif($do < 3 or isset($ok['#pcdata'])){echo $x;}
293 elseif(strpos($x, "\x02\x04")){
294 foreach(preg_split('`(\x01\x02[^\x01\x02]+\x02\x01)`', $x, -1, PREG_SPLIT_DELIM_CAPTURE | PREG_SPLIT_NO_EMPTY) as $v){
295 echo (substr($v, 0, 2) == "\x01\x02" ? $v : ($do > 4 ? preg_replace('`\S`', '', $v) : ''));
296 }
297 }elseif($do > 4){echo preg_replace('`\S`', '', $x);}
298}
299while(!empty($q) && ($e = array_pop($q))){echo '</', $e, '>';}
300$o = ob_get_contents();
301ob_end_clean();
302return $o;
303}
304
305function hl_cmtcd($t){
306// comment/CDATA sec handler
307$t = $t[0];
308global $C;
309if(!($v = $C[$n = $t[3] == '-' ? 'comment' : 'cdata'])){return $t;}
310if($v == 1){return '';}
311if($n == 'comment' && $v < 4){
312 if(substr(($t = preg_replace('`--+`', '-', substr($t, 4, -3))), -1) != ' '){$t .= ' ';}
313}
314else{$t = substr($t, 1, -1);}
315$t = $v == 2 ? str_replace(array('&', '<', '>'), array('&amp;', '&lt;', '&gt;'), $t) : $t;
316return str_replace(array('&', '<', '>'), array("\x03", "\x04", "\x05"), ($n == 'comment' ? "\x01\x02\x04!--$t--\x05\x02\x01" : "\x01\x01\x04$t\x05\x01\x01"));
317}
318
319function hl_ent($t){
320// entitity handler
321global $C;
322$t = $t[1];
323static $U = array('quot'=>1,'amp'=>1,'lt'=>1,'gt'=>1);
324static $N = array('fnof'=>'402', 'Alpha'=>'913', 'Beta'=>'914', 'Gamma'=>'915', 'Delta'=>'916', 'Epsilon'=>'917', 'Zeta'=>'918', 'Eta'=>'919', 'Theta'=>'920', 'Iota'=>'921', 'Kappa'=>'922', 'Lambda'=>'923', 'Mu'=>'924', 'Nu'=>'925', 'Xi'=>'926', 'Omicron'=>'927', 'Pi'=>'928', 'Rho'=>'929', 'Sigma'=>'931', 'Tau'=>'932', 'Upsilon'=>'933', 'Phi'=>'934', 'Chi'=>'935', 'Psi'=>'936', 'Omega'=>'937', 'alpha'=>'945', 'beta'=>'946', 'gamma'=>'947', 'delta'=>'948', 'epsilon'=>'949', 'zeta'=>'950', 'eta'=>'951', 'theta'=>'952', 'iota'=>'953', 'kappa'=>'954', 'lambda'=>'955', 'mu'=>'956', 'nu'=>'957', 'xi'=>'958', 'omicron'=>'959', 'pi'=>'960', 'rho'=>'961', 'sigmaf'=>'962', 'sigma'=>'963', 'tau'=>'964', 'upsilon'=>'965', 'phi'=>'966', 'chi'=>'967', 'psi'=>'968', 'omega'=>'969', 'thetasym'=>'977', 'upsih'=>'978', 'piv'=>'982', 'bull'=>'8226', 'hellip'=>'8230', 'prime'=>'8242', 'Prime'=>'8243', 'oline'=>'8254', 'frasl'=>'8260', 'weierp'=>'8472', 'image'=>'8465', 'real'=>'8476', 'trade'=>'8482', 'alefsym'=>'8501', 'larr'=>'8592', 'uarr'=>'8593', 'rarr'=>'8594', 'darr'=>'8595', 'harr'=>'8596', 'crarr'=>'8629', 'lArr'=>'8656', 'uArr'=>'8657', 'rArr'=>'8658', 'dArr'=>'8659', 'hArr'=>'8660', 'forall'=>'8704', 'part'=>'8706', 'exist'=>'8707', 'empty'=>'8709', 'nabla'=>'8711', 'isin'=>'8712', 'notin'=>'8713', 'ni'=>'8715', 'prod'=>'8719', 'sum'=>'8721', 'minus'=>'8722', 'lowast'=>'8727', 'radic'=>'8730', 'prop'=>'8733', 'infin'=>'8734', 'ang'=>'8736', 'and'=>'8743', 'or'=>'8744', 'cap'=>'8745', 'cup'=>'8746', 'int'=>'8747', 'there4'=>'8756', 'sim'=>'8764', 'cong'=>'8773', 'asymp'=>'8776', 'ne'=>'8800', 'equiv'=>'8801', 'le'=>'8804', 'ge'=>'8805', 'sub'=>'8834', 'sup'=>'8835', 'nsub'=>'8836', 'sube'=>'8838', 'supe'=>'8839', 'oplus'=>'8853', 'otimes'=>'8855', 'perp'=>'8869', 'sdot'=>'8901', 'lceil'=>'8968', 'rceil'=>'8969', 'lfloor'=>'8970', 'rfloor'=>'8971', 'lang'=>'9001', 'rang'=>'9002', 'loz'=>'9674', 'spades'=>'9824', 'clubs'=>'9827', 'hearts'=>'9829', 'diams'=>'9830', 'apos'=>'39', 'OElig'=>'338', 'oelig'=>'339', 'Scaron'=>'352', 'scaron'=>'353', 'Yuml'=>'376', 'circ'=>'710', 'tilde'=>'732', 'ensp'=>'8194', 'emsp'=>'8195', 'thinsp'=>'8201', 'zwnj'=>'8204', 'zwj'=>'8205', 'lrm'=>'8206', 'rlm'=>'8207', 'ndash'=>'8211', 'mdash'=>'8212', 'lsquo'=>'8216', 'rsquo'=>'8217', 'sbquo'=>'8218', 'ldquo'=>'8220', 'rdquo'=>'8221', 'bdquo'=>'8222', 'dagger'=>'8224', 'Dagger'=>'8225', 'permil'=>'8240', 'lsaquo'=>'8249', 'rsaquo'=>'8250', 'euro'=>'8364', 'nbsp'=>'160', 'iexcl'=>'161', 'cent'=>'162', 'pound'=>'163', 'curren'=>'164', 'yen'=>'165', 'brvbar'=>'166', 'sect'=>'167', 'uml'=>'168', 'copy'=>'169', 'ordf'=>'170', 'laquo'=>'171', 'not'=>'172', 'shy'=>'173', 'reg'=>'174', 'macr'=>'175', 'deg'=>'176', 'plusmn'=>'177', 'sup2'=>'178', 'sup3'=>'179', 'acute'=>'180', 'micro'=>'181', 'para'=>'182', 'middot'=>'183', 'cedil'=>'184', 'sup1'=>'185', 'ordm'=>'186', 'raquo'=>'187', 'frac14'=>'188', 'frac12'=>'189', 'frac34'=>'190', 'iquest'=>'191', 'Agrave'=>'192', 'Aacute'=>'193', 'Acirc'=>'194', 'Atilde'=>'195', 'Auml'=>'196', 'Aring'=>'197', 'AElig'=>'198', 'Ccedil'=>'199', 'Egrave'=>'200', 'Eacute'=>'201', 'Ecirc'=>'202', 'Euml'=>'203', 'Igrave'=>'204', 'Iacute'=>'205', 'Icirc'=>'206', 'Iuml'=>'207', 'ETH'=>'208', 'Ntilde'=>'209', 'Ograve'=>'210', 'Oacute'=>'211', 'Ocirc'=>'212', 'Otilde'=>'213', 'Ouml'=>'214', 'times'=>'215', 'Oslash'=>'216', 'Ugrave'=>'217', 'Uacute'=>'218', 'Ucirc'=>'219', 'Uuml'=>'220', 'Yacute'=>'221', 'THORN'=>'222', 'szlig'=>'223', 'agrave'=>'224', 'aacute'=>'225', 'acirc'=>'226', 'atilde'=>'227', 'auml'=>'228', 'aring'=>'229', 'aelig'=>'230', 'ccedil'=>'231', 'egrave'=>'232', 'eacute'=>'233', 'ecirc'=>'234', 'euml'=>'235', 'igrave'=>'236', 'iacute'=>'237', 'icirc'=>'238', 'iuml'=>'239', 'eth'=>'240', 'ntilde'=>'241', 'ograve'=>'242', 'oacute'=>'243', 'ocirc'=>'244', 'otilde'=>'245', 'ouml'=>'246', 'divide'=>'247', 'oslash'=>'248', 'ugrave'=>'249', 'uacute'=>'250', 'ucirc'=>'251', 'uuml'=>'252', 'yacute'=>'253', 'thorn'=>'254', 'yuml'=>'255');
325if($t[0] != '#'){
326 return ($C['and_mark'] ? "\x06" : '&'). (isset($U[$t]) ? $t : (isset($N[$t]) ? (!$C['named_entity'] ? '#'. ($C['hexdec_entity'] > 1 ? 'x'. dechex($N[$t]) : $N[$t]) : $t) : 'amp;'. $t)). ';';
327}
328if(($n = ctype_digit($t = substr($t, 1)) ? intval($t) : hexdec(substr($t, 1))) < 9 or ($n > 13 && $n < 32) or $n == 11 or $n == 12 or ($n > 126 && $n < 160 && $n != 133) or ($n > 55295 && ($n < 57344 or ($n > 64975 && $n < 64992) or $n == 65534 or $n == 65535 or $n > 1114111))){
329 return ($C['and_mark'] ? "\x06" : '&'). "amp;#{$t};";
330}
331return ($C['and_mark'] ? "\x06" : '&'). '#'. (((ctype_digit($t) && $C['hexdec_entity'] < 2) or !$C['hexdec_entity']) ? $n : 'x'. dechex($n)). ';';
332}
333
334function hl_prot($p, $c=null){
335// check URL scheme
336global $C;
337$b = $a = '';
338if($c == null){$c = 'style'; $b = $p[1]; $a = $p[3]; $p = trim($p[2]);}
339$c = isset($C['schemes'][$c]) ? $C['schemes'][$c] : $C['schemes']['*'];
340static $d = 'denied:';
341if(isset($c['!']) && substr($p, 0, 7) != $d){$p = "$d$p";}
342if(isset($c['*']) or !strcspn($p, '#?;') or (substr($p, 0, 7) == $d)){return "{$b}{$p}{$a}";} // All ok, frag, query, param
343if(preg_match('`^([^:?[@!$()*,=/\'\]]+?)(:|&#(58|x3a);|%3a|\\\\0{0,4}3a).`i', $p, $m) && !isset($c[strtolower($m[1])])){ // Denied prot
344 return "{$b}{$d}{$p}{$a}";
345}
346if($C['abs_url']){
347 if($C['abs_url'] == -1 && strpos($p, $C['base_url']) === 0){ // Make url rel
348 $p = substr($p, strlen($C['base_url']));
349 }elseif(empty($m[1])){ // Make URL abs
350 if(substr($p, 0, 2) == '//'){$p = substr($C['base_url'], 0, strpos($C['base_url'], ':')+1). $p;}
351 elseif($p[0] == '/'){$p = preg_replace('`(^.+?://[^/]+)(.*)`', '$1', $C['base_url']). $p;}
352 elseif(strcspn($p, './')){$p = $C['base_url']. $p;}
353 else{
354 preg_match('`^([a-zA-Z\d\-+.]+://[^/]+)(.*)`', $C['base_url'], $m);
355 $p = preg_replace('`(?<=/)\./`', '', $m[2]. $p);
356 while(preg_match('`(?<=/)([^/]{3,}|[^/.]+?|\.[^/.]|[^/.]\.)/\.\./`', $p)){
357 $p = preg_replace('`(?<=/)([^/]{3,}|[^/.]+?|\.[^/.]|[^/.]\.)/\.\./`', '', $p);
358 }
359 $p = $m[1]. $p;
360 }
361 }
362}
363return "{$b}{$p}{$a}";
364}
365
366function hl_regex($p){
367// check regex
368if(empty($p)){return 0;}
369if($v = function_exists('error_clear_last') && function_exists('error_get_last')){error_clear_last();}
370else{
371 if($t = ini_get('track_errors')){$o = isset($php_errormsg) ? $php_errormsg : null;}
372 else{ini_set('track_errors', 1);}
373 unset($php_errormsg);
374}
375if(($d = ini_get('display_errors'))){ini_set('display_errors', 0);}
376preg_match($p, '');
377if($v){$r = error_get_last() == null ? 1 : 0; }
378else{
379 $r = isset($php_errormsg) ? 0 : 1;
380 if($t){$php_errormsg = isset($o) ? $o : null;}
381 else{ini_set('track_errors', 0);}
382}
383if($d){ini_set('display_errors', 1);}
384return $r;
385}
386
387function hl_spec($t){
388// final $spec
389$s = array();
390if(!function_exists('hl_aux1')){function hl_aux1($m){
391 return substr(str_replace(array(";", "|", "~", " ", ",", "/", "(", ")", '`"'), array("\x01", "\x02", "\x03", "\x04", "\x05", "\x06", "\x07", "\x08", '"'), $m[0]), 1, -1);
392}}
393$t = str_replace(array("\t", "\r", "\n", ' '), '', preg_replace_callback('/"(?>(`.|[^"])*)"/sm', 'hl_aux1', trim($t)));
394for($i = count(($t = explode(';', $t))); --$i>=0;){
395 $w = $t[$i];
396 if(empty($w) or ($e = strpos($w, '=')) === false or !strlen(($a = substr($w, $e+1)))){continue;}
397 $y = $n = array();
398 foreach(explode(',', $a) as $v){
399 if(!preg_match('`^([a-z:\-\*]+)(?:\((.*?)\))?`i', $v, $m)){continue;}
400 if(($x = strtolower($m[1])) == '-*'){$n['*'] = 1; continue;}
401 if($x[0] == '-'){$n[substr($x, 1)] = 1; continue;}
402 if(!isset($m[2])){$y[$x] = 1; continue;}
403 foreach(explode('/', $m[2]) as $m){
404 if(empty($m) or ($p = strpos($m, '=')) == 0 or $p < 5){$y[$x] = 1; continue;}
405 $y[$x][strtolower(substr($m, 0, $p))] = str_replace(array("\x01", "\x02", "\x03", "\x04", "\x05", "\x06", "\x07", "\x08"), array(";", "|", "~", " ", ",", "/", "(", ")"), substr($m, $p+1));
406 }
407 if(isset($y[$x]['match']) && !hl_regex($y[$x]['match'])){unset($y[$x]['match']);}
408 if(isset($y[$x]['nomatch']) && !hl_regex($y[$x]['nomatch'])){unset($y[$x]['nomatch']);}
409 }
410 if(!count($y) && !count($n)){continue;}
411 foreach(explode(',', substr($w, 0, $e)) as $v){
412 if(!strlen(($v = strtolower($v)))){continue;}
413 if(count($y)){if(!isset($s[$v])){$s[$v] = $y;} else{$s[$v] = array_merge($s[$v], $y);}}
414 if(count($n)){if(!isset($s[$v]['n'])){$s[$v]['n'] = $n;} else{$s[$v]['n'] = array_merge($s[$v]['n'], $n);}}
415 }
416}
417return $s;
418}
419
420function hl_tag($t){
421// tag/attribute handler
422global $C;
423$t = $t[0];
424// invalid < >
425if($t == '< '){return '&lt; ';}
426if($t == '>'){return '&gt;';}
427if(!preg_match('`^<(/?)([a-zA-Z][a-zA-Z1-6]*)([^>]*?)\s?>$`m', $t, $m)){
428 return str_replace(array('<', '>'), array('&lt;', '&gt;'), $t);
429}elseif(!isset($C['elements'][($e = strtolower($m[2]))])){
430 return (($C['keep_bad']%2) ? str_replace(array('<', '>'), array('&lt;', '&gt;'), $t) : '');
431}
432// attr string
433$a = str_replace(array("\n", "\r", "\t"), ' ', trim($m[3]));
434// tag transform
435static $eD = array('acronym'=>1, 'applet'=>1, 'big'=>1, 'center'=>1, 'dir'=>1, 'font'=>1, 'isindex'=>1, 's'=>1, 'strike'=>1, 'tt'=>1); // Deprecated
436if($C['make_tag_strict'] && isset($eD[$e])){
437 $trt = hl_tag2($e, $a, $C['make_tag_strict']);
438 if(!$e){return (($C['keep_bad']%2) ? str_replace(array('<', '>'), array('&lt;', '&gt;'), $t) : '');}
439}
440// close tag
441static $eE = array('area'=>1, 'br'=>1, 'col'=>1, 'command'=>1, 'embed'=>1, 'hr'=>1, 'img'=>1, 'input'=>1, 'isindex'=>1, 'keygen'=>1, 'link'=>1, 'meta'=>1, 'param'=>1, 'source'=>1, 'track'=>1, 'wbr'=>1); // Empty ele
442if(!empty($m[1])){
443 return (!isset($eE[$e]) ? (empty($C['hook_tag']) ? "</$e>" : $C['hook_tag']($e)) : (($C['keep_bad'])%2 ? str_replace(array('<', '>'), array('&lt;', '&gt;'), $t) : ''));
444}
445
446// open tag & attr
447static $aN = array('abbr'=>array('td'=>1, 'th'=>1), 'accept'=>array('form'=>1, 'input'=>1), 'accept-charset'=>array('form'=>1), 'action'=>array('form'=>1), 'align'=>array('applet'=>1, 'caption'=>1, 'col'=>1, 'colgroup'=>1, 'div'=>1, 'embed'=>1, 'h1'=>1, 'h2'=>1, 'h3'=>1, 'h4'=>1, 'h5'=>1, 'h6'=>1, 'hr'=>1, 'iframe'=>1, 'img'=>1, 'input'=>1, 'legend'=>1, 'object'=>1, 'p'=>1, 'table'=>1, 'tbody'=>1, 'td'=>1, 'tfoot'=>1, 'th'=>1, 'thead'=>1, 'tr'=>1), 'allowfullscreen'=>array('iframe'=>1), 'alt'=>array('applet'=>1, 'area'=>1, 'img'=>1, 'input'=>1), 'archive'=>array('applet'=>1, 'object'=>1), 'async'=>array('script'=>1), 'autocomplete'=>array('form'=>1, 'input'=>1), 'autofocus'=>array('button'=>1, 'input'=>1, 'keygen'=>1, 'select'=>1, 'textarea'=>1), 'autoplay'=>array('audio'=>1, 'video'=>1), 'axis'=>array('td'=>1, 'th'=>1), 'bgcolor'=>array('embed'=>1, 'table'=>1, 'td'=>1, 'th'=>1, 'tr'=>1), 'border'=>array('img'=>1, 'object'=>1, 'table'=>1), 'bordercolor'=>array('table'=>1, 'td'=>1, 'tr'=>1), 'cellpadding'=>array('table'=>1), 'cellspacing'=>array('table'=>1), 'challenge'=>array('keygen'=>1), 'char'=>array('col'=>1, 'colgroup'=>1, 'tbody'=>1, 'td'=>1, 'tfoot'=>1, 'th'=>1, 'thead'=>1, 'tr'=>1), 'charoff'=>array('col'=>1, 'colgroup'=>1, 'tbody'=>1, 'td'=>1, 'tfoot'=>1, 'th'=>1, 'thead'=>1, 'tr'=>1), 'charset'=>array('a'=>1, 'script'=>1), 'checked'=>array('command'=>1, 'input'=>1), 'cite'=>array('blockquote'=>1, 'del'=>1, 'ins'=>1, 'q'=>1), 'classid'=>array('object'=>1), 'clear'=>array('br'=>1), 'code'=>array('applet'=>1), 'codebase'=>array('applet'=>1, 'object'=>1), 'codetype'=>array('object'=>1), 'color'=>array('font'=>1), 'cols'=>array('textarea'=>1), 'colspan'=>array('td'=>1, 'th'=>1), 'compact'=>array('dir'=>1, 'dl'=>1, 'menu'=>1, 'ol'=>1, 'ul'=>1), 'content'=>array('meta'=>1), 'controls'=>array('audio'=>1, 'video'=>1), 'coords'=>array('a'=>1, 'area'=>1), 'crossorigin'=>array('img'=>1), 'data'=>array('object'=>1), 'datetime'=>array('del'=>1, 'ins'=>1, 'time'=>1), 'declare'=>array('object'=>1), 'default'=>array('track'=>1), 'defer'=>array('script'=>1), 'dirname'=>array('input'=>1, 'textarea'=>1), 'disabled'=>array('button'=>1, 'command'=>1, 'fieldset'=>1, 'input'=>1, 'keygen'=>1, 'optgroup'=>1, 'option'=>1, 'select'=>1, 'textarea'=>1), 'download'=>array('a'=>1), 'enctype'=>array('form'=>1), 'face'=>array('font'=>1), 'flashvars'=>array('embed'=>1), 'for'=>array('label'=>1, 'output'=>1), 'form'=>array('button'=>1, 'fieldset'=>1, 'input'=>1, 'keygen'=>1, 'label'=>1, 'object'=>1, 'output'=>1, 'select'=>1, 'textarea'=>1), 'formaction'=>array('button'=>1, 'input'=>1), 'formenctype'=>array('button'=>1, 'input'=>1), 'formmethod'=>array('button'=>1, 'input'=>1), 'formnovalidate'=>array('button'=>1, 'input'=>1), 'formtarget'=>array('button'=>1, 'input'=>1), 'frame'=>array('table'=>1), 'frameborder'=>array('iframe'=>1), 'headers'=>array('td'=>1, 'th'=>1), 'height'=>array('applet'=>1, 'canvas'=>1, 'embed'=>1, 'iframe'=>1, 'img'=>1, 'input'=>1, 'object'=>1, 'td'=>1, 'th'=>1, 'video'=>1), 'high'=>array('meter'=>1), 'href'=>array('a'=>1, 'area'=>1, 'link'=>1), 'hreflang'=>array('a'=>1, 'area'=>1, 'link'=>1), 'hspace'=>array('applet'=>1, 'embed'=>1, 'img'=>1, 'object'=>1), 'icon'=>array('command'=>1), 'ismap'=>array('img'=>1, 'input'=>1), 'keyparams'=>array('keygen'=>1), 'keytype'=>array('keygen'=>1), 'kind'=>array('track'=>1), 'label'=>array('command'=>1, 'menu'=>1, 'option'=>1, 'optgroup'=>1, 'track'=>1), 'language'=>array('script'=>1), 'list'=>array('input'=>1), 'longdesc'=>array('img'=>1, 'iframe'=>1), 'loop'=>array('audio'=>1, 'video'=>1), 'low'=>array('meter'=>1), 'marginheight'=>array('iframe'=>1), 'marginwidth'=>array('iframe'=>1), 'max'=>array('input'=>1, 'meter'=>1, 'progress'=>1), 'maxlength'=>array('input'=>1, 'textarea'=>1), 'media'=>array('a'=>1, 'area'=>1, 'link'=>1, 'source'=>1, 'style'=>1), 'mediagroup'=>array('audio'=>1, 'video'=>1), 'method'=>array('form'=>1), 'min'=>array('input'=>1, 'meter'=>1), 'model'=>array('embed'=>1), 'multiple'=>array('input'=>1, 'select'=>1), 'muted'=>array('audio'=>1, 'video'=>1), 'name'=>array('a'=>1, 'applet'=>1, 'button'=>1, 'embed'=>1, 'fieldset'=>1, 'form'=>1, 'iframe'=>1, 'img'=>1, 'input'=>1, 'keygen'=>1, 'map'=>1, 'object'=>1, 'output'=>1, 'param'=>1, 'select'=>1, 'textarea'=>1), 'nohref'=>array('area'=>1), 'noshade'=>array('hr'=>1), 'novalidate'=>array('form'=>1), 'nowrap'=>array('td'=>1, 'th'=>1), 'object'=>array('applet'=>1), 'open'=>array('details'=>1), 'optimum'=>array('meter'=>1), 'pattern'=>array('input'=>1), 'ping'=>array('a'=>1, 'area'=>1), 'placeholder'=>array('input'=>1, 'textarea'=>1), 'pluginspage'=>array('embed'=>1), 'pluginurl'=>array('embed'=>1), 'poster'=>array('video'=>1), 'pqg'=>array('keygen'=>1), 'preload'=>array('audio'=>1, 'video'=>1), 'prompt'=>array('isindex'=>1), 'pubdate'=>array('time'=>1), 'radiogroup'=>array('command'=>1), 'readonly'=>array('input'=>1, 'textarea'=>1), 'rel'=>array('a'=>1, 'area'=>1, 'link'=>1), 'required'=>array('input'=>1, 'select'=>1, 'textarea'=>1), 'rev'=>array('a'=>1), 'reversed'=>array('ol'=>1), 'rows'=>array('textarea'=>1), 'rowspan'=>array('td'=>1, 'th'=>1), 'rules'=>array('table'=>1), 'sandbox'=>array('iframe'=>1), 'scope'=>array('td'=>1, 'th'=>1), 'scoped'=>array('style'=>1), 'scrolling'=>array('iframe'=>1), 'seamless'=>array('iframe'=>1), 'selected'=>array('option'=>1), 'shape'=>array('a'=>1, 'area'=>1), 'size'=>array('font'=>1, 'hr'=>1, 'input'=>1, 'select'=>1), 'sizes'=>array('link'=>1), 'span'=>array('col'=>1, 'colgroup'=>1), 'src'=>array('audio'=>1, 'embed'=>1, 'iframe'=>1, 'img'=>1, 'input'=>1, 'script'=>1, 'source'=>1, 'track'=>1, 'video'=>1), 'srcdoc'=>array('iframe'=>1), 'srclang'=>array('track'=>1), 'srcset'=>array('img'=>1), 'standby'=>array('object'=>1), 'start'=>array('ol'=>1), 'step'=>array('input'=>1), 'summary'=>array('table'=>1), 'target'=>array('a'=>1, 'area'=>1, 'form'=>1), 'type'=>array('a'=>1, 'area'=>1, 'button'=>1, 'command'=>1, 'embed'=>1, 'input'=>1, 'li'=>1, 'link'=>1, 'menu'=>1, 'object'=>1, 'ol'=>1, 'param'=>1, 'script'=>1, 'source'=>1, 'style'=>1, 'ul'=>1), 'typemustmatch'=>array('object'=>1), 'usemap'=>array('img'=>1, 'input'=>1, 'object'=>1), 'valign'=>array('col'=>1, 'colgroup'=>1, 'tbody'=>1, 'td'=>1, 'tfoot'=>1, 'th'=>1, 'thead'=>1, 'tr'=>1), 'value'=>array('button'=>1, 'data'=>1, 'input'=>1, 'li'=>1, 'meter'=>1, 'option'=>1, 'param'=>1, 'progress'=>1), 'valuetype'=>array('param'=>1), 'vspace'=>array('applet'=>1, 'embed'=>1, 'img'=>1, 'object'=>1), 'width'=>array('applet'=>1, 'canvas'=>1, 'col'=>1, 'colgroup'=>1, 'embed'=>1, 'hr'=>1, 'iframe'=>1, 'img'=>1, 'input'=>1, 'object'=>1, 'pre'=>1, 'table'=>1, 'td'=>1, 'th'=>1, 'video'=>1), 'wmode'=>array('embed'=>1), 'wrap'=>array('textarea'=>1)); // Ele-specific
448static $aNA = array('aria-activedescendant'=>1, 'aria-atomic'=>1, 'aria-autocomplete'=>1, 'aria-busy'=>1, 'aria-checked'=>1, 'aria-controls'=>1, 'aria-describedby'=>1, 'aria-disabled'=>1, 'aria-dropeffect'=>1, 'aria-expanded'=>1, 'aria-flowto'=>1, 'aria-grabbed'=>1, 'aria-haspopup'=>1, 'aria-hidden'=>1, 'aria-invalid'=>1, 'aria-label'=>1, 'aria-labelledby'=>1, 'aria-level'=>1, 'aria-live'=>1, 'aria-multiline'=>1, 'aria-multiselectable'=>1, 'aria-orientation'=>1, 'aria-owns'=>1, 'aria-posinset'=>1, 'aria-pressed'=>1, 'aria-readonly'=>1, 'aria-relevant'=>1, 'aria-required'=>1, 'aria-selected'=>1, 'aria-setsize'=>1, 'aria-sort'=>1, 'aria-valuemax'=>1, 'aria-valuemin'=>1, 'aria-valuenow'=>1, 'aria-valuetext'=>1); // ARIA
449static $aNE = array('allowfullscreen'=>1, 'checkbox'=>1, 'checked'=>1, 'command'=>1, 'compact'=>1, 'declare'=>1, 'defer'=>1, 'default'=>1, 'disabled'=>1, 'hidden'=>1, 'inert'=>1, 'ismap'=>1, 'itemscope'=>1, 'multiple'=>1, 'nohref'=>1, 'noresize'=>1, 'noshade'=>1, 'nowrap'=>1, 'open'=>1, 'radio'=>1, 'readonly'=>1, 'required'=>1, 'reversed'=>1, 'selected'=>1); // Empty
450static $aNO = array('onabort'=>1, 'onblur'=>1, 'oncanplay'=>1, 'oncanplaythrough'=>1, 'onchange'=>1, 'onclick'=>1, 'oncontextmenu'=>1, 'oncopy'=>1, 'oncuechange'=>1, 'oncut'=>1, 'ondblclick'=>1, 'ondrag'=>1, 'ondragend'=>1, 'ondragenter'=>1, 'ondragleave'=>1, 'ondragover'=>1, 'ondragstart'=>1, 'ondrop'=>1, 'ondurationchange'=>1, 'onemptied'=>1, 'onended'=>1, 'onerror'=>1, 'onfocus'=>1, 'onformchange'=>1, 'onforminput'=>1, 'oninput'=>1, 'oninvalid'=>1, 'onkeydown'=>1, 'onkeypress'=>1, 'onkeyup'=>1, 'onload'=>1, 'onloadeddata'=>1, 'onloadedmetadata'=>1, 'onloadstart'=>1, 'onlostpointercapture'=>1, 'onmousedown'=>1, 'onmousemove'=>1, 'onmouseout'=>1, 'onmouseover'=>1, 'onmouseup'=>1, 'onmousewheel'=>1, 'onpaste'=>1, 'onpause'=>1, 'onplay'=>1, 'onplaying'=>1, 'onpointercancel'=>1, 'ongotpointercapture'=>1, 'onpointerdown'=>1, 'onpointerenter'=>1, 'onpointerleave'=>1, 'onpointermove'=>1, 'onpointerout'=>1, 'onpointerover'=>1, 'onpointerup'=>1, 'onprogress'=>1, 'onratechange'=>1, 'onreadystatechange'=>1, 'onreset'=>1, 'onsearch'=>1, 'onscroll'=>1, 'onseeked'=>1, 'onseeking'=>1, 'onselect'=>1, 'onshow'=>1, 'onstalled'=>1, 'onsubmit'=>1, 'onsuspend'=>1, 'ontimeupdate'=>1, 'ontoggle'=>1, 'ontouchcancel'=>1, 'ontouchend'=>1, 'ontouchmove'=>1, 'ontouchstart'=>1, 'onvolumechange'=>1, 'onwaiting'=>1, 'onwheel'=>1); // Event
451static $aNP = array('action'=>1, 'cite'=>1, 'classid'=>1, 'codebase'=>1, 'data'=>1, 'href'=>1, 'itemtype'=>1, 'longdesc'=>1, 'model'=>1, 'pluginspage'=>1, 'pluginurl'=>1, 'src'=>1, 'srcset'=>1, 'usemap'=>1); // Need scheme check; excludes style, on*
452static $aNU = array('accesskey'=>1, 'class'=>1, 'contenteditable'=>1, 'contextmenu'=>1, 'dir'=>1, 'draggable'=>1, 'dropzone'=>1, 'hidden'=>1, 'id'=>1, 'inert'=>1, 'itemid'=>1, 'itemprop'=>1, 'itemref'=>1, 'itemscope'=>1, 'itemtype'=>1, 'lang'=>1, 'role'=>1, 'spellcheck'=>1, 'style'=>1, 'tabindex'=>1, 'title'=>1, 'translate'=>1, 'xmlns'=>1, 'xml:base'=>1, 'xml:lang'=>1, 'xml:space'=>1); // Univ; excludes on*, aria*
453
454if($C['lc_std_val']){
455 // predef attr vals for $eAL & $aNE ele
456 static $aNL = array('all'=>1, 'auto'=>1, 'baseline'=>1, 'bottom'=>1, 'button'=>1, 'captions'=>1, 'center'=>1, 'chapters'=>1, 'char'=>1, 'checkbox'=>1, 'circle'=>1, 'col'=>1, 'colgroup'=>1, 'color'=>1, 'cols'=>1, 'data'=>1, 'date'=>1, 'datetime'=>1, 'datetime-local'=>1, 'default'=>1, 'descriptions'=>1, 'email'=>1, 'file'=>1, 'get'=>1, 'groups'=>1, 'hidden'=>1, 'image'=>1, 'justify'=>1, 'left'=>1, 'ltr'=>1, 'metadata'=>1, 'middle'=>1, 'month'=>1, 'none'=>1, 'number'=>1, 'object'=>1, 'password'=>1, 'poly'=>1, 'post'=>1, 'preserve'=>1, 'radio'=>1, 'range'=>1, 'rect'=>1, 'ref'=>1, 'reset'=>1, 'right'=>1, 'row'=>1, 'rowgroup'=>1, 'rows'=>1, 'rtl'=>1, 'search'=>1, 'submit'=>1, 'subtitles'=>1, 'tel'=>1, 'text'=>1, 'time'=>1, 'top'=>1, 'url'=>1, 'week'=>1);
457 static $eAL = array('a'=>1, 'area'=>1, 'bdo'=>1, 'button'=>1, 'col'=>1, 'fieldset'=>1, 'form'=>1, 'img'=>1, 'input'=>1, 'object'=>1, 'ol'=>1, 'optgroup'=>1, 'option'=>1, 'param'=>1, 'script'=>1, 'select'=>1, 'table'=>1, 'td'=>1, 'textarea'=>1, 'tfoot'=>1, 'th'=>1, 'thead'=>1, 'tr'=>1, 'track'=>1, 'xml:space'=>1);
458 $lcase = isset($eAL[$e]) ? 1 : 0;
459}
460
461$depTr = 0;
462if($C['no_deprecated_attr']){
463 // depr attr:applicable ele
464 static $aND = array('align'=>array('caption'=>1, 'div'=>1, 'h1'=>1, 'h2'=>1, 'h3'=>1, 'h4'=>1, 'h5'=>1, 'h6'=>1, 'hr'=>1, 'img'=>1, 'input'=>1, 'legend'=>1, 'object'=>1, 'p'=>1, 'table'=>1), 'bgcolor'=>array('table'=>1, 'td'=>1, 'th'=>1, 'tr'=>1), 'border'=>array('object'=>1), 'bordercolor'=>array('table'=>1, 'td'=>1, 'tr'=>1), 'cellspacing'=>array('table'=>1), 'clear'=>array('br'=>1), 'compact'=>array('dl'=>1, 'ol'=>1, 'ul'=>1), 'height'=>array('td'=>1, 'th'=>1), 'hspace'=>array('img'=>1, 'object'=>1), 'language'=>array('script'=>1), 'name'=>array('a'=>1, 'form'=>1, 'iframe'=>1, 'img'=>1, 'map'=>1), 'noshade'=>array('hr'=>1), 'nowrap'=>array('td'=>1, 'th'=>1), 'size'=>array('hr'=>1), 'vspace'=>array('img'=>1, 'object'=>1), 'width'=>array('hr'=>1, 'pre'=>1, 'table'=>1, 'td'=>1, 'th'=>1));
465 static $eAD = array('a'=>1, 'br'=>1, 'caption'=>1, 'div'=>1, 'dl'=>1, 'form'=>1, 'h1'=>1, 'h2'=>1, 'h3'=>1, 'h4'=>1, 'h5'=>1, 'h6'=>1, 'hr'=>1, 'iframe'=>1, 'img'=>1, 'input'=>1, 'legend'=>1, 'map'=>1, 'object'=>1, 'ol'=>1, 'p'=>1, 'pre'=>1, 'script'=>1, 'table'=>1, 'td'=>1, 'th'=>1, 'tr'=>1, 'ul'=>1);
466 $depTr = isset($eAD[$e]) ? 1 : 0;
467}
468
469// attr name-vals
470if(strpos($a, "\x01") !== false){$a = preg_replace('`\x01[^\x01]*\x01`', '', $a);} // No comment/CDATA sec
471$mode = 0; $a = trim($a, ' /'); $aA = array();
472while(strlen($a)){
473 $w = 0;
474 switch($mode){
475 case 0: // Name
476 if(preg_match('`^[a-zA-Z][^\s=/]+`', $a, $m)){
477 $nm = strtolower($m[0]);
478 $w = $mode = 1; $a = ltrim(substr_replace($a, '', 0, strlen($m[0])));
479 }
480 break; case 1:
481 if($a[0] == '='){ // =
482 $w = 1; $mode = 2; $a = ltrim($a, '= ');
483 }else{ // No val
484 $w = 1; $mode = 0; $a = ltrim($a);
485 $aA[$nm] = '';
486 }
487 break; case 2: // Val
488 if(preg_match('`^((?:"[^"]*")|(?:\'[^\']*\')|(?:\s*[^\s"\']+))(.*)`', $a, $m)){
489 $a = ltrim($m[2]); $m = $m[1]; $w = 1; $mode = 0;
490 $aA[$nm] = trim(str_replace('<', '&lt;', ($m[0] == '"' or $m[0] == '\'') ? substr($m, 1, -1) : $m));
491 }
492 break;
493 }
494 if($w == 0){ // Parse errs, deal with space, " & '
495 $a = preg_replace('`^(?:"[^"]*("|$)|\'[^\']*(\'|$)|\S)*\s*`', '', $a);
496 $mode = 0;
497 }
498}
499if($mode == 1){$aA[$nm] = '';}
500
501// clean attrs
502global $S;
503$rl = isset($S[$e]) ? $S[$e] : array();
504$a = array(); $nfr = 0; $d = $C['deny_attribute'];
505foreach($aA as $k=>$v){
506 if(((isset($d['*']) ? isset($d[$k]) : !isset($d[$k])) && (isset($aN[$k][$e]) or isset($aNU[$k]) or (isset($aNO[$k]) && !isset($d['on*'])) or (isset($aNA[$k]) && !isset($d['aria*'])) or (!isset($d['data*']) && preg_match('`data-((?!xml)[^:]+$)`', $k))) && !isset($rl['n'][$k]) && !isset($rl['n']['*'])) or isset($rl[$k])){
507 if(isset($aNE[$k])){$v = $k;}
508 elseif(!empty($lcase) && (($e != 'button' or $e != 'input') or $k == 'type')){ // Rather loose but ?not cause issues
509 $v = (isset($aNL[($v2 = strtolower($v))])) ? $v2 : $v;
510 }
511 if($k == 'style' && !$C['style_pass']){
512 if(false !== strpos($v, '&#')){
513 static $sC = array('&#x20;'=>' ', '&#32;'=>' ', '&#x45;'=>'e', '&#69;'=>'e', '&#x65;'=>'e', '&#101;'=>'e', '&#x58;'=>'x', '&#88;'=>'x', '&#x78;'=>'x', '&#120;'=>'x', '&#x50;'=>'p', '&#80;'=>'p', '&#x70;'=>'p', '&#112;'=>'p', '&#x53;'=>'s', '&#83;'=>'s', '&#x73;'=>'s', '&#115;'=>'s', '&#x49;'=>'i', '&#73;'=>'i', '&#x69;'=>'i', '&#105;'=>'i', '&#x4f;'=>'o', '&#79;'=>'o', '&#x6f;'=>'o', '&#111;'=>'o', '&#x4e;'=>'n', '&#78;'=>'n', '&#x6e;'=>'n', '&#110;'=>'n', '&#x55;'=>'u', '&#85;'=>'u', '&#x75;'=>'u', '&#117;'=>'u', '&#x52;'=>'r', '&#82;'=>'r', '&#x72;'=>'r', '&#114;'=>'r', '&#x4c;'=>'l', '&#76;'=>'l', '&#x6c;'=>'l', '&#108;'=>'l', '&#x28;'=>'(', '&#40;'=>'(', '&#x29;'=>')', '&#41;'=>')', '&#x20;'=>':', '&#32;'=>':', '&#x22;'=>'"', '&#34;'=>'"', '&#x27;'=>"'", '&#39;'=>"'", '&#x2f;'=>'/', '&#47;'=>'/', '&#x2a;'=>'*', '&#42;'=>'*', '&#x5c;'=>'\\', '&#92;'=>'\\');
514 $v = strtr($v, $sC);
515 }
516 $v = preg_replace_callback('`(url(?:\()(?: )*(?:\'|"|&(?:quot|apos);)?)(.+?)((?:\'|"|&(?:quot|apos);)?(?: )*(?:\)))`iS', 'hl_prot', $v);
517 $v = !$C['css_expression'] ? preg_replace('`expression`i', ' ', preg_replace('`\\\\\S|(/|(%2f))(\*|(%2a))`i', ' ', $v)) : $v;
518 }elseif(isset($aNP[$k]) or isset($aNO[$k])){
519 $v = str_replace("­", ' ', (strpos($v, '&') !== false ? str_replace(array('&#xad;', '&#173;', '&shy;'), ' ', $v) : $v)); # double-quoted char: soft-hyphen; appears here as "­" or hyphen or something else depending on viewing software
520 if($k == 'srcset'){
521 $v2 = '';
522 foreach(explode(',', $v) as $k1=>$v1){
523 $v1 = explode(' ', ltrim($v1), 2);
524 $k1 = isset($v1[1]) ? trim($v1[1]) : '';
525 $v1 = trim($v1[0]);
526 if(isset($v1[0])){$v2 .= hl_prot($v1, $k). (empty($k1) ? '' : ' '. $k1). ', ';}
527 }
528 $v = trim($v2, ', ');
529 }
530 if($k == 'itemtype'){
531 $v2 = '';
532 foreach(explode(' ', $v) as $v1){
533 if(isset($v1[0])){$v2 .= hl_prot($v1, $k). ' ';}
534 }
535 $v = trim($v2, ' ');
536 }
537 else{$v = hl_prot($v, $k);}
538 if($k == 'href'){ // X-spam
539 if($C['anti_mail_spam'] && strpos($v, 'mailto:') === 0){
540 $v = str_replace('@', htmlspecialchars($C['anti_mail_spam']), $v);
541 }elseif($C['anti_link_spam']){
542 $r1 = $C['anti_link_spam'][1];
543 if(!empty($r1) && preg_match($r1, $v)){continue;}
544 $r0 = $C['anti_link_spam'][0];
545 if(!empty($r0) && preg_match($r0, $v)){
546 if(isset($a['rel'])){
547 if(!preg_match('`\bnofollow\b`i', $a['rel'])){$a['rel'] .= ' nofollow';}
548 }elseif(isset($aA['rel'])){
549 if(!preg_match('`\bnofollow\b`i', $aA['rel'])){$nfr = 1;}
550 }else{$a['rel'] = 'nofollow';}
551 }
552 }
553 }
554 }
555 if(isset($rl[$k]) && is_array($rl[$k]) && ($v = hl_attrval($k, $v, $rl[$k])) === 0){continue;}
556 $a[$k] = str_replace('"', '&quot;', $v);
557 }
558}
559if($nfr){$a['rel'] = isset($a['rel']) ? $a['rel']. ' nofollow' : 'nofollow';}
560
561// rqd attr
562static $eAR = array('area'=>array('alt'=>'area'), 'bdo'=>array('dir'=>'ltr'), 'command'=>array('label'=>''), 'form'=>array('action'=>''), 'img'=>array('src'=>'', 'alt'=>'image'), 'map'=>array('name'=>''), 'optgroup'=>array('label'=>''), 'param'=>array('name'=>''), 'style'=>array('scoped'=>''), 'textarea'=>array('rows'=>'10', 'cols'=>'50'));
563if(isset($eAR[$e])){
564 foreach($eAR[$e] as $k=>$v){
565 if(!isset($a[$k])){$a[$k] = isset($v[0]) ? $v : $k;}
566 }
567}
568
569// depr attr
570if($depTr){
571 $c = array();
572 foreach($a as $k=>$v){
573 if($k == 'style' or !isset($aND[$k][$e])){continue;}
574 $v = str_replace(array('\\', ':', ';', '&#'), '', $v);
575 if($k == 'align'){
576 unset($a['align']);
577 if($e == 'img' && ($v == 'left' or $v == 'right')){$c[] = 'float: '. $v;}
578 elseif(($e == 'div' or $e == 'table') && $v == 'center'){$c[] = 'margin: auto';}
579 else{$c[] = 'text-align: '. $v;}
580 }elseif($k == 'bgcolor'){
581 unset($a['bgcolor']);
582 $c[] = 'background-color: '. $v;
583 }elseif($k == 'border'){
584 unset($a['border']); $c[] = "border: {$v}px";
585 }elseif($k == 'bordercolor'){
586 unset($a['bordercolor']); $c[] = 'border-color: '. $v;
587 }elseif($k == 'cellspacing'){
588 unset($a['cellspacing']); $c[] = "border-spacing: {$v}px";
589 }elseif($k == 'clear'){
590 unset($a['clear']); $c[] = 'clear: '. ($v != 'all' ? $v : 'both');
591 }elseif($k == 'compact'){
592 unset($a['compact']); $c[] = 'font-size: 85%';
593 }elseif($k == 'height' or $k == 'width'){
594 unset($a[$k]); $c[] = $k. ': '. ($v[0] != '*' ? $v. (ctype_digit($v) ? 'px' : '') : 'auto');
595 }elseif($k == 'hspace'){
596 unset($a['hspace']); $c[] = "margin-left: {$v}px; margin-right: {$v}px";
597 }elseif($k == 'language' && !isset($a['type'])){
598 unset($a['language']);
599 $a['type'] = 'text/'. strtolower($v);
600 }elseif($k == 'name'){
601 if($C['no_deprecated_attr'] == 2 or ($e != 'a' && $e != 'map')){unset($a['name']);}
602 if(!isset($a['id']) && !preg_match('`\W`', $v)){$a['id'] = $v;}
603 }elseif($k == 'noshade'){
604 unset($a['noshade']); $c[] = 'border-style: none; border: 0; background-color: gray; color: gray';
605 }elseif($k == 'nowrap'){
606 unset($a['nowrap']); $c[] = 'white-space: nowrap';
607 }elseif($k == 'size'){
608 unset($a['size']); $c[] = 'size: '. $v. 'px';
609 }elseif($k == 'vspace'){
610 unset($a['vspace']); $c[] = "margin-top: {$v}px; margin-bottom: {$v}px";
611 }
612 }
613 if(count($c)){
614 $c = implode('; ', $c);
615 $a['style'] = isset($a['style']) ? rtrim($a['style'], ' ;'). '; '. $c. ';': $c. ';';
616 }
617}
618// unique ID
619if($C['unique_ids'] && isset($a['id'])){
620 if(preg_match('`\s`', ($id = $a['id'])) or (isset($GLOBALS['hl_Ids'][$id]) && $C['unique_ids'] == 1)){unset($a['id']);
621 }else{
622 while(isset($GLOBALS['hl_Ids'][$id])){$id = $C['unique_ids']. $id;}
623 $GLOBALS['hl_Ids'][($a['id'] = $id)] = 1;
624 }
625}
626// xml:lang
627if($C['xml:lang'] && isset($a['lang'])){
628 $a['xml:lang'] = isset($a['xml:lang']) ? $a['xml:lang'] : $a['lang'];
629 if($C['xml:lang'] == 2){unset($a['lang']);}
630}
631// for transformed tag
632if(!empty($trt)){
633 $a['style'] = isset($a['style']) ? rtrim($a['style'], ' ;'). '; '. $trt : $trt;
634}
635// return with empty ele /
636if(empty($C['hook_tag'])){
637 $aA = '';
638 foreach($a as $k=>$v){$aA .= " {$k}=\"{$v}\"";}
639 return "<{$e}{$aA}". (isset($eE[$e]) ? ' /' : ''). '>';
640}
641else{return $C['hook_tag']($e, $a);}
642}
643
644function hl_tag2(&$e, &$a, $t=1){
645// transform tag
646if($e == 'big'){$e = 'span'; return 'font-size: larger;';}
647if($e == 's' or $e == 'strike'){$e = 'span'; return 'text-decoration: line-through;';}
648if($e == 'tt'){$e = 'code'; return '';}
649if($e == 'center'){$e = 'div'; return 'text-align: center;';}
650static $fs = array('0'=>'xx-small', '1'=>'xx-small', '2'=>'small', '3'=>'medium', '4'=>'large', '5'=>'x-large', '6'=>'xx-large', '7'=>'300%', '-1'=>'smaller', '-2'=>'60%', '+1'=>'larger', '+2'=>'150%', '+3'=>'200%', '+4'=>'300%');
651if($e == 'font'){
652 $a2 = '';
653 while(preg_match('`(^|\s)(color|size)\s*=\s*(\'|")?(.+?)(\\3|\s|$)`i', $a, $m)){
654 $a = str_replace($m[0], ' ', $a);
655 $a2 .= strtolower($m[2]) == 'color' ? (' color: '. str_replace(array('"', ';', ':'), '\'', trim($m[4])). ';') : (isset($fs[($m = trim($m[4]))]) ? (' font-size: '. $fs[$m]. ';') : '');
656 }
657 while(preg_match('`(^|\s)face\s*=\s*(\'|")?([^=]+?)\\2`i', $a, $m) or preg_match('`(^|\s)face\s*=(\s*)(\S+)`i', $a, $m)){
658 $a = str_replace($m[0], ' ', $a);
659 $a2 .= ' font-family: '. str_replace(array('"', ';', ':'), '\'', trim($m[3])). ';';
660 }
661 $e = 'span'; return ltrim(str_replace('<', '', $a2));
662}
663if($e == 'acronym'){$e = 'abbr'; return '';}
664if($e == 'dir'){$e = 'ul'; return '';}
665if($t == 2){$e = 0; return 0;}
666return '';
667}
668
669function hl_tidy($t, $w, $p){
670// tidy/compact HTM
671if(strpos(' pre,script,textarea', "$p,")){return $t;}
672if(!function_exists('hl_aux2')){function hl_aux2($m){
673 return $m[1]. str_replace(array("<", ">", "\n", "\r", "\t", ' '), array("\x01", "\x02", "\x03", "\x04", "\x05", "\x07"), $m[3]). $m[4];
674}}
675$t = preg_replace(array('`(<\w[^>]*(?<!/)>)\s+`', '`\s+`', '`(<\w[^>]*(?<!/)>) `'), array(' $1', ' ', '$1'), preg_replace_callback(array('`(<(!\[CDATA\[))(.+?)(\]\]>)`sm', '`(<(!--))(.+?)(-->)`sm', '`(<(pre|script|textarea)[^>]*?>)(.+?)(</\2>)`sm'), 'hl_aux2', $t));
676if(($w = strtolower($w)) == -1){
677 return str_replace(array("\x01", "\x02", "\x03", "\x04", "\x05", "\x07"), array('<', '>', "\n", "\r", "\t", ' '), $t);
678}
679$s = strpos(" $w", 't') ? "\t" : ' ';
680$s = preg_match('`\d`', $w, $m) ? str_repeat($s, $m[0]) : str_repeat($s, ($s == "\t" ? 1 : 2));
681$N = preg_match('`[ts]([1-9])`', $w, $m) ? $m[1] : 0;
682$a = array('br'=>1);
683$b = array('button'=>1, 'command'=>1, 'input'=>1, 'option'=>1, 'param'=>1, 'track'=>1);
684$c = array('audio'=>1, 'canvas'=>1, 'caption'=>1, 'dd'=>1, 'dt'=>1, 'figcaption'=>1, 'h1'=>1, 'h2'=>1, 'h3'=>1, 'h4'=>1, 'h5'=>1, 'h6'=>1, 'isindex'=>1, 'label'=>1, 'legend'=>1, 'li'=>1, 'object'=>1, 'p'=>1, 'pre'=>1, 'style'=>1, 'summary'=>1, 'td'=>1, 'textarea'=>1, 'th'=>1, 'video'=>1);
685$d = array('address'=>1, 'article'=>1, 'aside'=>1, 'blockquote'=>1, 'center'=>1, 'colgroup'=>1, 'datalist'=>1, 'details'=>1, 'dir'=>1, 'div'=>1, 'dl'=>1, 'fieldset'=>1, 'figure'=>1, 'footer'=>1, 'form'=>1, 'header'=>1, 'hgroup'=>1, 'hr'=>1, 'iframe'=>1, 'main'=>1, 'map'=>1, 'menu'=>1, 'nav'=>1, 'noscript'=>1, 'ol'=>1, 'optgroup'=>1, 'rbc'=>1, 'rtc'=>1, 'ruby'=>1, 'script'=>1, 'section'=>1, 'select'=>1, 'table'=>1, 'tbody'=>1, 'tfoot'=>1, 'thead'=>1, 'tr'=>1, 'ul'=>1);
686$T = explode('<', $t);
687$X = 1;
688while($X){
689 $n = $N;
690 $t = $T;
691 ob_start();
692 if(isset($d[$p])){echo str_repeat($s, ++$n);}
693 echo ltrim(array_shift($t));
694 for($i=-1, $j=count($t); ++$i<$j;){
695 $r = ''; list($e, $r) = explode('>', $t[$i]);
696 $x = $e[0] == '/' ? 0 : (substr($e, -1) == '/' ? 1 : ($e[0] != '!' ? 2 : -1));
697 $y = !$x ? ltrim($e, '/') : ($x > 0 ? substr($e, 0, strcspn($e, ' ')) : 0);
698 $e = "<$e>";
699 if(isset($d[$y])){
700 if(!$x){
701 if($n){echo "\n", str_repeat($s, --$n), "$e\n", str_repeat($s, $n);}
702 else{++$N; ob_end_clean(); continue 2;}
703 }
704 else{echo "\n", str_repeat($s, $n), "$e\n", str_repeat($s, ($x != 1 ? ++$n : $n));}
705 echo $r; continue;
706 }
707 $f = "\n". str_repeat($s, $n);
708 if(isset($c[$y])){
709 if(!$x){echo $e, $f, $r;}
710 else{echo $f, $e, $r;}
711 }elseif(isset($b[$y])){echo $f, $e, $r;
712 }elseif(isset($a[$y])){echo $e, $f, $r;
713 }elseif(!$y){echo $f, $e, $f, $r;
714 }else{echo $e, $r;}
715 }
716 $X = 0;
717}
718$t = str_replace(array("\n ", " \n"), "\n", preg_replace('`[\n]\s*?[\n]+`', "\n", ob_get_contents()));
719ob_end_clean();
720if(($l = strpos(" $w", 'r') ? (strpos(" $w", 'n') ? "\r\n" : "\r") : 0)){
721 $t = str_replace("\n", $l, $t);
722}
723return str_replace(array("\x01", "\x02", "\x03", "\x04", "\x05", "\x07"), array('<', '>', "\n", "\r", "\t", ' '), $t);
724}
725
726function hl_version(){
727// version
728return '1.2.5';
729}