function hl_tag($t)
{
// tag/attribute handler
global $C;
$t = $t[0];
// invalid < >
if ($t == '< ') {
return '< ';
}
if ($t == '>') {
return '>';
}
if (!preg_match('`^<(/?)([a-zA-Z][a-zA-Z1-6]*)([^>]*?)\\s?>$`m', $t, $m)) {
return str_replace(array('<', '>'), array('<', '>'), $t);
} elseif (!isset($C['elements'][$e = strtolower($m[2])])) {
return $C['keep_bad'] % 2 ? str_replace(array('<', '>'), array('<', '>'), $t) : '';
}
// attr string
$a = str_replace(array("�", "\n", "\r", "\t"), ' ', trim($m[3]));
if (strpos($a, '&') !== false) {
str_replace(array('­', '­', '­'), ' ', $a);
}
// tag transform
static $eD = array('applet' => 1, 'center' => 1, 'dir' => 1, 'embed' => 1, 'font' => 1, 'isindex' => 1, 'menu' => 1, 's' => 1, 'strike' => 1, 'u' => 1);
// Deprecated
if ($C['make_tag_strict'] && isset($eD[$e])) {
$trt = hl_tag2($e, $a, $C['make_tag_strict']);
if (!$e) {
return $C['keep_bad'] % 2 ? str_replace(array('<', '>'), array('<', '>'), $t) : '';
}
}
// close tag
static $eE = array('area' => 1, 'br' => 1, 'col' => 1, 'embed' => 1, 'hr' => 1, 'img' => 1, 'input' => 1, 'isindex' => 1, 'param' => 1);
// Empty ele
if (!empty($m[1])) {
return !isset($eE[$e]) ? "</{$e}>" : ($C['keep_bad'] % 2 ? str_replace(array('<', '>'), array('<', '>'), $t) : '');
}
// open tag & attr
static $aN = array('abbr' => array('td' => 1, 'th' => 1), 'accept-charset' => array('form' => 1), 'accept' => array('form' => 1, 'input' => 1), 'accesskey' => array('a' => 1, 'area' => 1, 'button' => 1, 'input' => 1, 'label' => 1, 'legend' => 1, 'textarea' => 1), 'action' => array('form' => 1), 'align' => array('caption' => 1, 'embed' => 1, 'applet' => 1, 'iframe' => 1, 'img' => 1, 'input' => 1, 'object' => 1, 'legend' => 1, 'table' => 1, 'hr' => 1, 'div' => 1, 'h1' => 1, 'h2' => 1, 'h3' => 1, 'h4' => 1, 'h5' => 1, 'h6' => 1, 'p' => 1, 'col' => 1, 'colgroup' => 1, 'tbody' => 1, 'td' => 1, 'tfoot' => 1, 'th' => 1, 'thead' => 1, 'tr' => 1), 'alt' => array('applet' => 1, 'area' => 1, 'img' => 1, 'input' => 1), 'archive' => array('applet' => 1, 'object' => 1), 'axis' => array('td' => 1, 'th' => 1), 'bgcolor' => array('embed' => 1, 'table' => 1, 'tr' => 1, 'td' => 1, 'th' => 1), 'border' => array('table' => 1, 'img' => 1, 'object' => 1), 'bordercolor' => array('table' => 1, 'td' => 1, 'tr' => 1), 'cellpadding' => array('table' => 1), 'cellspacing' => array('table' => 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('input' => 1), 'cite' => array('blockquote' => 1, 'q' => 1, 'del' => 1, 'ins' => 1), 'classid' => array('object' => 1), 'clear' => array('br' => 1), 'code' => array('applet' => 1), 'codebase' => array('object' => 1, 'applet' => 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), 'coords' => array('area' => 1, 'a' => 1), 'data' => array('object' => 1), 'datetime' => array('del' => 1, 'ins' => 1), 'declare' => array('object' => 1), 'defer' => array('script' => 1), 'dir' => array('bdo' => 1), 'disabled' => array('button' => 1, 'input' => 1, 'optgroup' => 1, 'option' => 1, 'select' => 1, 'textarea' => 1), 'enctype' => array('form' => 1), 'face' => array('font' => 1), 'for' => array('label' => 1), 'frame' => array('table' => 1), 'frameborder' => array('iframe' => 1), 'headers' => array('td' => 1, 'th' => 1), 'height' => array('embed' => 1, 'iframe' => 1, 'td' => 1, 'th' => 1, 'img' => 1, 'object' => 1, 'applet' => 1), 'href' => array('a' => 1, 'area' => 1), 'hreflang' => array('a' => 1), 'hspace' => array('applet' => 1, 'img' => 1, 'object' => 1), 'ismap' => array('img' => 1, 'input' => 1), 'label' => array('option' => 1, 'optgroup' => 1), 'language' => array('script' => 1), 'longdesc' => array('img' => 1, 'iframe' => 1), 'marginheight' => array('iframe' => 1), 'marginwidth' => array('iframe' => 1), 'maxlength' => array('input' => 1), 'method' => array('form' => 1), 'model' => array('embed' => 1), 'multiple' => array('select' => 1), 'name' => array('button' => 1, 'embed' => 1, 'textarea' => 1, 'applet' => 1, 'select' => 1, 'form' => 1, 'iframe' => 1, 'img' => 1, 'a' => 1, 'input' => 1, 'object' => 1, 'map' => 1, 'param' => 1), 'nohref' => array('area' => 1), 'noshade' => array('hr' => 1), 'nowrap' => array('td' => 1, 'th' => 1), 'object' => array('applet' => 1), 'onblur' => array('a' => 1, 'area' => 1, 'button' => 1, 'input' => 1, 'label' => 1, 'select' => 1, 'textarea' => 1), 'onchange' => array('input' => 1, 'select' => 1, 'textarea' => 1), 'onfocus' => array('a' => 1, 'area' => 1, 'button' => 1, 'input' => 1, 'label' => 1, 'select' => 1, 'textarea' => 1), 'onreset' => array('form' => 1), 'onselect' => array('input' => 1, 'textarea' => 1), 'onsubmit' => array('form' => 1), 'pluginspage' => array('embed' => 1), 'pluginurl' => array('embed' => 1), 'prompt' => array('isindex' => 1), 'readonly' => array('textarea' => 1, 'input' => 1), 'rel' => array('a' => 1), 'rev' => array('a' => 1), 'rows' => array('textarea' => 1), 'rowspan' => array('td' => 1, 'th' => 1), 'rules' => array('table' => 1), 'scope' => array('td' => 1, 'th' => 1), 'scrolling' => array('iframe' => 1), 'selected' => array('option' => 1), 'shape' => array('area' => 1, 'a' => 1), 'size' => array('hr' => 1, 'font' => 1, 'input' => 1, 'select' => 1), 'span' => array('col' => 1, 'colgroup' => 1), 'src' => array('embed' => 1, 'script' => 1, 'input' => 1, 'iframe' => 1, 'img' => 1), 'standby' => array('object' => 1), 'start' => array('ol' => 1), 'summary' => array('table' => 1), 'tabindex' => array('a' => 1, 'area' => 1, 'button' => 1, 'input' => 1, 'object' => 1, 'select' => 1, 'textarea' => 1), 'target' => array('a' => 1, 'area' => 1, 'form' => 1), 'type' => array('a' => 1, 'embed' => 1, 'object' => 1, 'param' => 1, 'script' => 1, 'input' => 1, 'li' => 1, 'ol' => 1, 'ul' => 1, 'button' => 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('input' => 1, 'option' => 1, 'param' => 1, 'button' => 1, 'li' => 1), 'valuetype' => array('param' => 1), 'vspace' => array('applet' => 1, 'img' => 1, 'object' => 1), 'width' => array('embed' => 1, 'hr' => 1, 'iframe' => 1, 'img' => 1, 'object' => 1, 'table' => 1, 'td' => 1, 'th' => 1, 'applet' => 1, 'col' => 1, 'colgroup' => 1, 'pre' => 1), 'wmode' => array('embed' => 1), 'xml:space' => array('pre' => 1, 'script' => 1, 'style' => 1));
// Specific attrs
static $aNE = array('checked' => 1, 'compact' => 1, 'declare' => 1, 'defer' => 1, 'disabled' => 1, 'ismap' => 1, 'multiple' => 1, 'nohref' => 1, 'noresize' => 1, 'noshade' => 1, 'nowrap' => 1, 'readonly' => 1, 'selected' => 1);
// Empty attrs
static $aNP = array('action' => 1, 'cite' => 1, 'classid' => 1, 'codebase' => 1, 'data' => 1, 'href' => 1, 'longdesc' => 1, 'model' => 1, 'pluginspage' => 1, 'pluginurl' => 1, 'usemap' => 1);
// Attrs needing protocol check; for attrs like onmouseover & src, using: '$n[0] != 'o' && strpos($n, 'src') === false'; 'style' separately handled
static $aNU = array('class' => array('param' => 1, 'script' => 1), 'dir' => array('applet' => 1, 'bdo' => 1, 'br' => 1, 'iframe' => 1, 'param' => 1, 'script' => 1), 'id' => array('script' => 1), 'lang' => array('applet' => 1, 'br' => 1, 'iframe' => 1, 'param' => 1, 'script' => 1), 'xml:lang' => array('applet' => 1, 'br' => 1, 'iframe' => 1, 'param' => 1, 'script' => 1), 'onclick' => array('applet' => 1, 'bdo' => 1, 'br' => 1, 'font' => 1, 'iframe' => 1, 'isindex' => 1, 'param' => 1, 'script' => 1), 'ondblclick' => array('applet' => 1, 'bdo' => 1, 'br' => 1, 'font' => 1, 'iframe' => 1, 'isindex' => 1, 'param' => 1, 'script' => 1), 'onkeydown' => array('applet' => 1, 'bdo' => 1, 'br' => 1, 'font' => 1, 'iframe' => 1, 'isindex' => 1, 'param' => 1, 'script' => 1), 'onkeypress' => array('applet' => 1, 'bdo' => 1, 'br' => 1, 'font' => 1, 'iframe' => 1, 'isindex' => 1, 'param' => 1, 'script' => 1), 'onkeyup' => array('applet' => 1, 'bdo' => 1, 'br' => 1, 'font' => 1, 'iframe' => 1, 'isindex' => 1, 'param' => 1, 'script' => 1), 'onmousedown' => array('applet' => 1, 'bdo' => 1, 'br' => 1, 'font' => 1, 'iframe' => 1, 'isindex' => 1, 'param' => 1, 'script' => 1), 'onmousemove' => array('applet' => 1, 'bdo' => 1, 'br' => 1, 'font' => 1, 'iframe' => 1, 'isindex' => 1, 'param' => 1, 'script' => 1), 'onmouseout' => array('applet' => 1, 'bdo' => 1, 'br' => 1, 'font' => 1, 'iframe' => 1, 'isindex' => 1, 'param' => 1, 'script' => 1), 'onmouseover' => array('applet' => 1, 'bdo' => 1, 'br' => 1, 'font' => 1, 'iframe' => 1, 'isindex' => 1, 'param' => 1, 'script' => 1), 'onmouseup' => array('applet' => 1, 'bdo' => 1, 'br' => 1, 'font' => 1, 'iframe' => 1, 'isindex' => 1, 'param' => 1, 'script' => 1), 'style' => array('param' => 1, 'script' => 1), 'title' => array('param' => 1, 'script' => 1));
// Univ attrs & exceptions
if ($C['lc_std_val']) {
// predef attr vals like radio for $eAL & $aNE ele
static $aNL = array('all' => 1, 'baseline' => 1, 'bottom' => 1, 'button' => 1, 'center' => 1, 'char' => 1, 'checkbox' => 1, 'circle' => 1, 'col' => 1, 'colgroup' => 1, 'cols' => 1, 'data' => 1, 'default' => 1, 'file' => 1, 'get' => 1, 'groups' => 1, 'hidden' => 1, 'image' => 1, 'justify' => 1, 'left' => 1, 'ltr' => 1, 'middle' => 1, 'none' => 1, 'object' => 1, 'password' => 1, 'poly' => 1, 'post' => 1, 'preserve' => 1, 'radio' => 1, 'rect' => 1, 'ref' => 1, 'reset' => 1, 'right' => 1, 'row' => 1, 'rowgroup' => 1, 'rows' => 1, 'rtl' => 1, 'submit' => 1, 'text' => 1, 'top' => 1);
static $eAL = array('a' => 1, 'area' => 1, 'bdo' => 1, 'button' => 1, 'col' => 1, 'form' => 1, 'img' => 1, 'input' => 1, 'object' => 1, 'optgroup' => 1, 'option' => 1, 'param' => 1, 'script' => 1, 'select' => 1, 'table' => 1, 'td' => 1, 'tfoot' => 1, 'th' => 1, 'thead' => 1, 'tr' => 1, 'xml:space' => 1);
$lcase = isset($eAL[$e]) ? 1 : 0;
}
$depTr = 0;
if ($C['no_deprecated_attr']) {
// dep attr:applicable ele
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('img' => 1, 'object' => 1), 'bordercolor' => array('table' => 1, 'td' => 1, 'tr' => 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), 'start' => array('ol' => 1), 'type' => array('li' => 1, 'ol' => 1, 'ul' => 1), 'value' => array('li' => 1), 'vspace' => array('img' => 1, 'object' => 1), 'width' => array('hr' => 1, 'pre' => 1, 'td' => 1, 'th' => 1));
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, 'li' => 1, 'map' => 1, 'object' => 1, 'ol' => 1, 'p' => 1, 'pre' => 1, 'script' => 1, 'table' => 1, 'td' => 1, 'th' => 1, 'tr' => 1, 'ul' => 1);
$depTr = isset($eAD[$e]) ? 1 : 0;
}
// attr name-vals
if (strpos($a, "") !== false) {
$a = preg_replace('`\\x01[^\\x01]*\\x01`', '', $a);
}
// No comment/CDATA sec
$mode = 0;
$a = trim($a, ' /');
$aA = array();
while (strlen($a)) {
$w = 0;
switch ($mode) {
case 0:
// Attr name
if (preg_match('`^[a-zA-Z][\\-a-zA-Z:]+`', $a, $m)) {
$nm = strtolower($m[0]);
$w = $mode = 1;
$a = ltrim(substr_replace($a, '', 0, strlen($m[0])));
}
break;
case 1:
if ($a[0] == '=') {
// =
$w = 1;
$mode = 2;
$a = ltrim($a, '= ');
} else {
// No val
$w = 1;
$mode = 0;
$a = ltrim($a);
$aA[$nm] = '';
}
break;
case 2:
// Attr val
if (preg_match('`^"[^"]*"`', $a, $m) or preg_match("`^'[^']*'`", $a, $m) or preg_match("`^\\s*[^\\s\"']+`", $a, $m)) {
$m = $m[0];
$w = 1;
$mode = 0;
$a = ltrim(substr_replace($a, '', 0, strlen($m)));
$aA[$nm] = trim(($m[0] == '"' or $m[0] == '\'') ? substr($m, 1, -1) : $m);
}
break;
}
if ($w == 0) {
// Parse errs, deal with space, " & '
$a = preg_replace('`^(?:"[^"]*("|$)|\'[^\']*(\'|$)|\\S)*\\s*`', '', $a);
$mode = 0;
}
}
if ($mode == 1) {
$aA[$nm] = '';
}
// clean attrs - remove invalids, escape ", values for 'empty' attr, lowercase predefined values, remove ones with unfit values, anti-spam, check scheme & expressions in style props, check scheme in other attr
global $spec;
$rl = isset($spec[$e]) ? $spec[$e] : array();
$a = array();
$nfr = 0;
foreach ($aA as $k => $v) {
if (!isset($C['deny_attribute'][$k]) && (!isset($rl['n'][$k]) && !isset($rl['n']['*']) or isset($rl[$k])) && (isset($aN[$k][$e]) or isset($aNU[$k]) && !isset($aNU[$k][$e]))) {
if (isset($aNE[$k])) {
$v = $k;
} elseif (!empty($lcase) && ($e != 'button' or $e != 'input' or $k == 'type')) {
// Rather loose but ?not cause issues
$v = isset($aNL[$v2 = strtolower($v)]) ? $v2 : $v;
}
if ($k == 'style') {
$v = preg_replace_callback('`((?:u|&#(?:x75|117);)(?:r|&#(?:x72|114);)(?:l|&#(?:x6c|108);)(?:\\(|&#(?:x28|40);)(?: |&#(?:x20|32);)*(?:\'|"|&(?:quot|apos|34|39|x22|x27);)?)(.+)((?:\'|"|&(?:quot|apos|34|39|x22|x27);)?(?: |&#(?:x20|32);)*(?:\\)|&#(?:x29|41);))`iS', 'hl_prot', $v);
if (!$C['css_expression']) {
$v = preg_replace('`(?::|&#(?:x3a|58);)(?: |&#(?:x20|32);)*e.+?n(?: |&#(?:x20|32);)*(?:\\(|&#(?:x28|40);).*(?:\\)|&#(?:x29|41);)`iS', '', $v);
}
} elseif (isset($aNP[$k]) or strpos($k, 'src') !== false or $k[0] == 'o') {
$v = hl_prot($v, $k);
if ($k == 'href') {
// Anti-spam
if ($C['anti_mail_spam'] && strpos($v, 'mailto:') === 0) {
$v = str_replace('@', html_encode($C['anti_mail_spam']), $v);
} elseif ($C['anti_link_spam']) {
$r1 = $C['anti_link_spam'][1];
if (!empty($r1) && preg_match($r1, $v)) {
continue;
}
$r0 = $C['anti_link_spam'][0];
if (!empty($r0) && preg_match($r0, $v)) {
if (isset($a['rel'])) {
if (!preg_match('`\\bnofollow\\b`i', $a['rel'])) {
$a['rel'] .= ' nofollow';
}
} elseif (isset($aA['rel'])) {
if (!preg_match('`\\bnofollow\\b`i', $aA['rel'])) {
$nfr = 1;
}
} else {
$a['rel'] = 'nofollow';
}
}
}
}
}
if (isset($rl[$k]) && is_array($rl[$k]) && ($v = hl_attrval($v, $rl[$k])) === 0) {
continue;
}
$a[$k] = str_replace('"', '"', $v);
}
}
if ($nfr) {
$a['rel'] = isset($a['rel']) ? $a['rel'] . ' nofollow' : 'nofollow';
}
// rqd attr
static $eAR = array('area' => array('alt' => 'area'), 'bdo' => array('dir' => 'ltr'), 'form' => array('action' => ''), 'img' => array('src' => '', 'alt' => 'image'), 'map' => array('name' => ''), 'optgroup' => array('label' => ''), 'param' => array('name' => ''), 'script' => array('type' => 'text/javascript'), 'textarea' => array('rows' => '10', 'cols' => '50'));
if (isset($eAR[$e])) {
foreach ($eAR[$e] as $k => $v) {
if (!isset($a[$k])) {
$a[$k] = isset($v[0]) ? $v : $k;
}
}
}
// depr attrs
if ($depTr) {
$c = array();
foreach ($a as $k => $v) {
if ($k == 'style' or !isset($aND[$k][$e])) {
continue;
}
if ($k == 'align') {
unset($a['align']);
if ($e == 'img' && ($v == 'left' or $v == 'right')) {
$c[] = 'float: ' . $v;
} elseif (($e == 'div' or $e == 'table') && $v == 'center') {
$c[] = 'margin: auto';
} else {
$c[] = 'text-align: ' . $v;
}
} elseif ($k == 'bgcolor') {
unset($a['bgcolor']);
$c[] = 'background-color: ' . $v;
} elseif ($k == 'border') {
unset($a['border']);
$c[] = "border: {$v}px";
} elseif ($k == 'bordercolor') {
unset($a['bordercolor']);
$c[] = 'border-color: ' . $v;
} elseif ($k == 'clear') {
unset($a['clear']);
$c[] = 'clear: ' . ($v != 'all' ? $v : 'both');
} elseif ($k == 'compact') {
unset($a['compact']);
$c[] = 'font-size: 85%';
} elseif ($k == 'height' or $k == 'width') {
unset($a[$k]);
$c[] = $k . ': ' . ($v[0] != '*' ? $v . (ctype_digit($v) ? 'px' : '') : 'auto');
} elseif ($k == 'hspace') {
unset($a['hspace']);
$c[] = "margin-left: {$v}px; margin-right: {$v}px";
} elseif ($k == 'language' && !isset($a['type'])) {
unset($a['language']);
$a['type'] = 'text/' . strtolower($v);
} elseif ($k == 'name') {
if ($C['no_deprecated_attr'] == 2 or $e != 'a' && $e != 'map') {
unset($a['name']);
}
if (!isset($a['id']) && preg_match('`[a-zA-Z][a-zA-Z\\d.:_\\-]*`', $v)) {
$a['id'] = $v;
}
} elseif ($k == 'noshade') {
unset($a['noshade']);
$c[] = 'border-style: none; border: 0; background-color: gray; color: gray';
} elseif ($k == 'nowrap') {
unset($a['nowrap']);
$c[] = 'white-space: nowrap';
} elseif ($k == 'size') {
unset($a['size']);
$c[] = 'size: ' . $v . 'px';
} elseif ($k == 'start' or $k == 'value') {
unset($a[$k]);
} elseif ($k == 'type') {
unset($a['type']);
static $ol_type = array('i' => 'lower-roman', 'I' => 'upper-roman', 'a' => 'lower-latin', 'A' => 'upper-latin', '1' => 'decimal');
$c[] = 'list-style-type: ' . (isset($ol_type[$v]) ? $ol_type[$v] : 'decimal');
} elseif ($k == 'vspace') {
unset($a['vspace']);
$c[] = "margin-top: {$v}px; margin-bottom: {$v}px";
}
}
if (count($c)) {
$c = implode('; ', $c);
$a['style'] = isset($a['style']) ? rtrim($a['style'], ' ;') . '; ' . $c . ';' : $c . ';';
}
}
// unique IDs
if ($C['unique_ids'] && isset($a['id'])) {
if (!preg_match('`^[A-Za-z][A-Za-z0-9_\\-.:]*$`', $id = $a['id']) or isset($GLOBALS['hl_Ids'][$id]) && $C['unique_ids'] == 1) {
unset($a['id']);
} else {
while (isset($GLOBALS['hl_Ids'][$id])) {
$id = $C['unique_ids'] . $id;
}
$GLOBALS['hl_Ids'][$a['id'] = $id] = 1;
}
}
// xml:lang
if ($C['xml:lang'] && isset($a['lang'])) {
$a['xml:lang'] = isset($a['xml:lang']) ? $a['xml:lang'] : $a['lang'];
if ($C['xml:lang'] == 2) {
unset($a['lang']);
}
}
// for transformed tag
if (!empty($trt)) {
$a['style'] = isset($a['style']) ? rtrim($a['style'], ' ;') . '; ' . $trt : $trt;
}
// return with empty ele's slash
if (empty($C['hook_tag'])) {
$aA = '';
foreach ($a as $k => $v) {
$aA .= " {$k}=\"{$v}\"";
}
return "<{$e}{$aA}" . (isset($eE[$e]) ? ' /' : '') . '>';
} else {
return $C['hook_tag']($e, $a);
}
// eof
}
function hl_tag($t)
{
// tag/attribute handler
global $C;
$t = $t[0];
// invalid < >
if ($t == '< ') {
return '< ';
}
if ($t == '>') {
return '>';
}
if (!preg_match('`^<(/?)([a-zA-Z][a-zA-Z1-6]*)([^>]*?)\\s?>$`m', $t, $m)) {
return str_replace(array('<', '>'), array('<', '>'), $t);
} elseif (!isset($C['elements'][$e = strtolower($m[2])])) {
return $C['keep_bad'] % 2 ? str_replace(array('<', '>'), array('<', '>'), $t) : '';
}
// attr string
$a = str_replace(array("\n", "\r", "\t"), ' ', trim($m[3]));
// tag transform
static $eD = array('applet' => 1, 'center' => 1, 'dir' => 1, 'embed' => 1, 'font' => 1, 'isindex' => 1, 'menu' => 1, 's' => 1, 'strike' => 1, 'u' => 1);
// Deprecated
if ($C['make_tag_strict'] && isset($eD[$e])) {
$trt = hl_tag2($e, $a, $C['make_tag_strict']);
if (!$e) {
return $C['keep_bad'] % 2 ? str_replace(array('<', '>'), array('<', '>'), $t) : '';
}
}
// close tag
static $eE = array('area' => 1, 'br' => 1, 'col' => 1, 'embed' => 1, 'hr' => 1, 'img' => 1, 'input' => 1, 'isindex' => 1, 'param' => 1);
// Empty ele
if (!empty($m[1])) {
return !isset($eE[$e]) ? empty($C['hook_tag']) ? "</{$e}>" : $C['hook_tag']($e) : ($C['keep_bad'] % 2 ? str_replace(array('<', '>'), array('<', '>'), $t) : '');
}
// open tag & attr
static $aN = array('abbr' => array('td' => 1, 'th' => 1), 'accept-charset' => array('form' => 1), 'accept' => array('form' => 1, 'input' => 1), 'accesskey' => array('a' => 1, 'area' => 1, 'button' => 1, 'input' => 1, 'label' => 1, 'legend' => 1, 'textarea' => 1), 'action' => array('form' => 1), 'align' => array('caption' => 1, 'embed' => 1, 'applet' => 1, 'iframe' => 1, 'img' => 1, 'input' => 1, 'object' => 1, 'legend' => 1, 'table' => 1, 'hr' => 1, 'div' => 1, 'h1' => 1, 'h2' => 1, 'h3' => 1, 'h4' => 1, 'h5' => 1, 'h6' => 1, 'p' => 1, 'col' => 1, 'colgroup' => 1, 'tbody' => 1, 'td' => 1, 'tfoot' => 1, 'th' => 1, 'thead' => 1, 'tr' => 1), 'alt' => array('applet' => 1, 'area' => 1, 'img' => 1, 'input' => 1), 'archive' => array('applet' => 1, 'object' => 1), 'axis' => array('td' => 1, 'th' => 1), 'bgcolor' => array('embed' => 1, 'table' => 1, 'tr' => 1, 'td' => 1, 'th' => 1), 'border' => array('table' => 1, 'img' => 1, 'object' => 1), 'bordercolor' => array('table' => 1, 'td' => 1, 'tr' => 1), 'cellpadding' => array('table' => 1), 'cellspacing' => array('table' => 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('input' => 1), 'cite' => array('blockquote' => 1, 'q' => 1, 'del' => 1, 'ins' => 1), 'classid' => array('object' => 1), 'clear' => array('br' => 1), 'code' => array('applet' => 1), 'codebase' => array('object' => 1, 'applet' => 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), 'coords' => array('area' => 1, 'a' => 1), 'data' => array('object' => 1), 'datetime' => array('del' => 1, 'ins' => 1), 'declare' => array('object' => 1), 'defer' => array('script' => 1), 'dir' => array('bdo' => 1), 'disabled' => array('button' => 1, 'input' => 1, 'optgroup' => 1, 'option' => 1, 'select' => 1, 'textarea' => 1), 'enctype' => array('form' => 1), 'face' => array('font' => 1), 'flashvars' => array('embed' => 1), 'for' => array('label' => 1), 'frame' => array('table' => 1), 'frameborder' => array('iframe' => 1), 'headers' => array('td' => 1, 'th' => 1), 'height' => array('embed' => 1, 'iframe' => 1, 'td' => 1, 'th' => 1, 'img' => 1, 'object' => 1, 'applet' => 1), 'href' => array('a' => 1, 'area' => 1), 'hreflang' => array('a' => 1), 'hspace' => array('applet' => 1, 'img' => 1, 'object' => 1), 'ismap' => array('img' => 1, 'input' => 1), 'label' => array('option' => 1, 'optgroup' => 1), 'language' => array('script' => 1), 'longdesc' => array('img' => 1, 'iframe' => 1), 'marginheight' => array('iframe' => 1), 'marginwidth' => array('iframe' => 1), 'maxlength' => array('input' => 1), 'method' => array('form' => 1), 'model' => array('embed' => 1), 'multiple' => array('select' => 1), 'name' => array('button' => 1, 'embed' => 1, 'textarea' => 1, 'applet' => 1, 'select' => 1, 'form' => 1, 'iframe' => 1, 'img' => 1, 'a' => 1, 'input' => 1, 'object' => 1, 'map' => 1, 'param' => 1), 'nohref' => array('area' => 1), 'noshade' => array('hr' => 1), 'nowrap' => array('td' => 1, 'th' => 1), 'object' => array('applet' => 1), 'onblur' => array('a' => 1, 'area' => 1, 'button' => 1, 'input' => 1, 'label' => 1, 'select' => 1, 'textarea' => 1), 'onchange' => array('input' => 1, 'select' => 1, 'textarea' => 1), 'onfocus' => array('a' => 1, 'area' => 1, 'button' => 1, 'input' => 1, 'label' => 1, 'select' => 1, 'textarea' => 1), 'onreset' => array('form' => 1), 'onselect' => array('input' => 1, 'textarea' => 1), 'onsubmit' => array('form' => 1), 'pluginspage' => array('embed' => 1), 'pluginurl' => array('embed' => 1), 'prompt' => array('isindex' => 1), 'readonly' => array('textarea' => 1, 'input' => 1), 'rel' => array('a' => 1), 'rev' => array('a' => 1), 'rows' => array('textarea' => 1), 'rowspan' => array('td' => 1, 'th' => 1), 'rules' => array('table' => 1), 'scope' => array('td' => 1, 'th' => 1), 'scrolling' => array('iframe' => 1), 'selected' => array('option' => 1), 'shape' => array('area' => 1, 'a' => 1), 'size' => array('hr' => 1, 'font' => 1, 'input' => 1, 'select' => 1), 'span' => array('col' => 1, 'colgroup' => 1), 'src' => array('embed' => 1, 'script' => 1, 'input' => 1, 'iframe' => 1, 'img' => 1), 'standby' => array('object' => 1), 'start' => array('ol' => 1), 'summary' => array('table' => 1), 'tabindex' => array('a' => 1, 'area' => 1, 'button' => 1, 'input' => 1, 'object' => 1, 'select' => 1, 'textarea' => 1), 'target' => array('a' => 1, 'area' => 1, 'form' => 1), 'type' => array('a' => 1, 'embed' => 1, 'object' => 1, 'param' => 1, 'script' => 1, 'input' => 1, 'li' => 1, 'ol' => 1, 'ul' => 1, 'button' => 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('input' => 1, 'option' => 1, 'param' => 1, 'button' => 1, 'li' => 1), 'valuetype' => array('param' => 1), 'vspace' => array('applet' => 1, 'img' => 1, 'object' => 1), 'width' => array('embed' => 1, 'hr' => 1, 'iframe' => 1, 'img' => 1, 'object' => 1, 'table' => 1, 'td' => 1, 'th' => 1, 'applet' => 1, 'col' => 1, 'colgroup' => 1, 'pre' => 1), 'wmode' => array('embed' => 1), 'xml:space' => array('pre' => 1, 'script' => 1, 'style' => 1));
// Ele-specific
static $aNE = array('checked' => 1, 'compact' => 1, 'declare' => 1, 'defer' => 1, 'disabled' => 1, 'ismap' => 1, 'multiple' => 1, 'nohref' => 1, 'noresize' => 1, 'noshade' => 1, 'nowrap' => 1, 'readonly' => 1, 'selected' => 1);
// Empty
static $aNP = array('action' => 1, 'cite' => 1, 'classid' => 1, 'codebase' => 1, 'data' => 1, 'href' => 1, 'longdesc' => 1, 'model' => 1, 'pluginspage' => 1, 'pluginurl' => 1, 'usemap' => 1);
// Need scheme check; excludes style, on* & src
static $aNU = array('class' => array('param' => 1, 'script' => 1), 'dir' => array('applet' => 1, 'bdo' => 1, 'br' => 1, 'iframe' => 1, 'param' => 1, 'script' => 1), 'id' => array('script' => 1), 'lang' => array('applet' => 1, 'br' => 1, 'iframe' => 1, 'param' => 1, 'script' => 1), 'xml:lang' => array('applet' => 1, 'br' => 1, 'iframe' => 1, 'param' => 1, 'script' => 1), 'onclick' => array('applet' => 1, 'bdo' => 1, 'br' => 1, 'font' => 1, 'iframe' => 1, 'isindex' => 1, 'param' => 1, 'script' => 1), 'ondblclick' => array('applet' => 1, 'bdo' => 1, 'br' => 1, 'font' => 1, 'iframe' => 1, 'isindex' => 1, 'param' => 1, 'script' => 1), 'onkeydown' => array('applet' => 1, 'bdo' => 1, 'br' => 1, 'font' => 1, 'iframe' => 1, 'isindex' => 1, 'param' => 1, 'script' => 1), 'onkeypress' => array('applet' => 1, 'bdo' => 1, 'br' => 1, 'font' => 1, 'iframe' => 1, 'isindex' => 1, 'param' => 1, 'script' => 1), 'onkeyup' => array('applet' => 1, 'bdo' => 1, 'br' => 1, 'font' => 1, 'iframe' => 1, 'isindex' => 1, 'param' => 1, 'script' => 1), 'onmousedown' => array('applet' => 1, 'bdo' => 1, 'br' => 1, 'font' => 1, 'iframe' => 1, 'isindex' => 1, 'param' => 1, 'script' => 1), 'onmousemove' => array('applet' => 1, 'bdo' => 1, 'br' => 1, 'font' => 1, 'iframe' => 1, 'isindex' => 1, 'param' => 1, 'script' => 1), 'onmouseout' => array('applet' => 1, 'bdo' => 1, 'br' => 1, 'font' => 1, 'iframe' => 1, 'isindex' => 1, 'param' => 1, 'script' => 1), 'onmouseover' => array('applet' => 1, 'bdo' => 1, 'br' => 1, 'font' => 1, 'iframe' => 1, 'isindex' => 1, 'param' => 1, 'script' => 1), 'onmouseup' => array('applet' => 1, 'bdo' => 1, 'br' => 1, 'font' => 1, 'iframe' => 1, 'isindex' => 1, 'param' => 1, 'script' => 1), 'style' => array('param' => 1, 'script' => 1), 'title' => array('param' => 1, 'script' => 1));
// Univ & exceptions
if ($C['lc_std_val']) {
// predef attr vals for $eAL & $aNE ele
static $aNL = array('all' => 1, 'baseline' => 1, 'bottom' => 1, 'button' => 1, 'center' => 1, 'char' => 1, 'checkbox' => 1, 'circle' => 1, 'col' => 1, 'colgroup' => 1, 'cols' => 1, 'data' => 1, 'default' => 1, 'file' => 1, 'get' => 1, 'groups' => 1, 'hidden' => 1, 'image' => 1, 'justify' => 1, 'left' => 1, 'ltr' => 1, 'middle' => 1, 'none' => 1, 'object' => 1, 'password' => 1, 'poly' => 1, 'post' => 1, 'preserve' => 1, 'radio' => 1, 'rect' => 1, 'ref' => 1, 'reset' => 1, 'right' => 1, 'row' => 1, 'rowgroup' => 1, 'rows' => 1, 'rtl' => 1, 'submit' => 1, 'text' => 1, 'top' => 1);
static $eAL = array('a' => 1, 'area' => 1, 'bdo' => 1, 'button' => 1, 'col' => 1, 'form' => 1, 'img' => 1, 'input' => 1, 'object' => 1, 'optgroup' => 1, 'option' => 1, 'param' => 1, 'script' => 1, 'select' => 1, 'table' => 1, 'td' => 1, 'tfoot' => 1, 'th' => 1, 'thead' => 1, 'tr' => 1, 'xml:space' => 1);
$lcase = isset($eAL[$e]) ? 1 : 0;
}
$depTr = 0;
if ($C['no_deprecated_attr']) {
// dep attr:applicable ele
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('img' => 1, 'object' => 1), 'bordercolor' => array('table' => 1, 'td' => 1, 'tr' => 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), 'start' => array('ol' => 1), 'type' => array('li' => 1, 'ol' => 1, 'ul' => 1), 'value' => array('li' => 1), 'vspace' => array('img' => 1, 'object' => 1), 'width' => array('hr' => 1, 'pre' => 1, 'td' => 1, 'th' => 1));
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, 'li' => 1, 'map' => 1, 'object' => 1, 'ol' => 1, 'p' => 1, 'pre' => 1, 'script' => 1, 'table' => 1, 'td' => 1, 'th' => 1, 'tr' => 1, 'ul' => 1);
$depTr = isset($eAD[$e]) ? 1 : 0;
}
// attr name-vals
if (strpos($a, "") !== false) {
$a = preg_replace('`\\x01[^\\x01]*\\x01`', '', $a);
}
// No comment/CDATA sec
$mode = 0;
$a = trim($a, ' /');
$aA = array();
while (strlen($a)) {
$w = 0;
switch ($mode) {
case 0:
// Name
if (preg_match('`^[a-zA-Z][\\-a-zA-Z:]+`', $a, $m)) {
$nm = strtolower($m[0]);
$w = $mode = 1;
$a = ltrim(substr_replace($a, '', 0, strlen($m[0])));
}
break;
case 1:
if ($a[0] == '=') {
// =
$w = 1;
$mode = 2;
$a = ltrim($a, '= ');
} else {
// No val
$w = 1;
$mode = 0;
$a = ltrim($a);
$aA[$nm] = '';
}
break;
case 2:
// Val
if (preg_match('`^((?:"[^"]*")|(?:\'[^\']*\')|(?:\\s*[^\\s"\']+))(.*)`', $a, $m)) {
$a = ltrim($m[2]);
$m = $m[1];
$w = 1;
$mode = 0;
$aA[$nm] = trim(str_replace('<', '<', ($m[0] == '"' or $m[0] == '\'') ? substr($m, 1, -1) : $m));
}
break;
}
if ($w == 0) {
// Parse errs, deal with space, " & '
$a = preg_replace('`^(?:"[^"]*("|$)|\'[^\']*(\'|$)|\\S)*\\s*`', '', $a);
$mode = 0;
}
}
if ($mode == 1) {
$aA[$nm] = '';
}
// clean attrs
global $S;
$rl = isset($S[$e]) ? $S[$e] : array();
$a = array();
$nfr = 0;
foreach ($aA as $k => $v) {
if ((isset($C['deny_attribute']['*']) ? isset($C['deny_attribute'][$k]) : !isset($C['deny_attribute'][$k])) && (isset($aN[$k][$e]) or isset($aNU[$k]) && !isset($aNU[$k][$e])) && !isset($rl['n'][$k]) && !isset($rl['n']['*']) or isset($rl[$k])) {
if (isset($aNE[$k])) {
$v = $k;
} elseif (!empty($lcase) && ($e != 'button' or $e != 'input' or $k == 'type')) {
// Rather loose but ?not cause issues
$v = isset($aNL[$v2 = strtolower($v)]) ? $v2 : $v;
}
if ($k == 'style' && !$C['style_pass']) {
if (false !== strpos($v, '&#')) {
static $sC = array(' ' => ' ', ' ' => ' ', 'E' => 'e', 'E' => 'e', 'e' => 'e', 'e' => 'e', 'X' => 'x', 'X' => 'x', 'x' => 'x', 'x' => 'x', 'P' => 'p', 'P' => 'p', 'p' => 'p', 'p' => 'p', 'S' => 's', 'S' => 's', 's' => 's', 's' => 's', 'I' => 'i', 'I' => 'i', 'i' => 'i', 'i' => 'i', 'O' => 'o', 'O' => 'o', 'o' => 'o', 'o' => 'o', 'N' => 'n', 'N' => 'n', 'n' => 'n', 'n' => 'n', 'U' => 'u', 'U' => 'u', 'u' => 'u', 'u' => 'u', 'R' => 'r', 'R' => 'r', 'r' => 'r', 'r' => 'r', 'L' => 'l', 'L' => 'l', 'l' => 'l', 'l' => 'l', '(' => '(', '(' => '(', ')' => ')', ')' => ')', ' ' => ':', ' ' => ':', '"' => '"', '"' => '"', ''' => "'", ''' => "'", '/' => '/', '/' => '/', '*' => '*', '*' => '*', '\' => '\\', '\' => '\\');
$v = strtr($v, $sC);
}
$v = preg_replace_callback('`(url(?:\\()(?: )*(?:\'|"|&(?:quot|apos);)?)(.+?)((?:\'|"|&(?:quot|apos);)?(?: )*(?:\\)))`iS', 'hl_prot', $v);
$v = !$C['css_expression'] ? preg_replace('`expression`i', ' ', preg_replace('`\\\\\\S|(/|(%2f))(\\*|(%2a))`i', ' ', $v)) : $v;
} elseif (isset($aNP[$k]) or strpos($k, 'src') !== false or $k[0] == 'o') {
$v = str_replace("", ' ', strpos($v, '&') !== false ? str_replace(array('­', '­', '­'), ' ', $v) : $v);
// double-quoted char is soft-hyphen; appears here as "" or hyphen or something else depending on viewing software
$v = hl_prot($v, $k);
if ($k == 'href') {
// X-spam
if ($C['anti_mail_spam'] && strpos($v, 'mailto:') === 0) {
$v = str_replace('@', htmlspecialchars($C['anti_mail_spam']), $v);
} elseif ($C['anti_link_spam']) {
$r1 = $C['anti_link_spam'][1];
if (!empty($r1) && preg_match($r1, $v)) {
continue;
}
$r0 = $C['anti_link_spam'][0];
if (!empty($r0) && preg_match($r0, $v)) {
if (isset($a['rel'])) {
if (!preg_match('`\\bnofollow\\b`i', $a['rel'])) {
$a['rel'] .= ' nofollow';
}
} elseif (isset($aA['rel'])) {
if (!preg_match('`\\bnofollow\\b`i', $aA['rel'])) {
$nfr = 1;
}
} else {
$a['rel'] = 'nofollow';
}
}
}
}
}
if (isset($rl[$k]) && is_array($rl[$k]) && ($v = hl_attrval($v, $rl[$k])) === 0) {
continue;
}
$a[$k] = str_replace('"', '"', $v);
}
}
if ($nfr) {
$a['rel'] = isset($a['rel']) ? $a['rel'] . ' nofollow' : 'nofollow';
}
// rqd attr
static $eAR = array('area' => array('alt' => 'area'), 'bdo' => array('dir' => 'ltr'), 'form' => array('action' => ''), 'img' => array('src' => '', 'alt' => 'image'), 'map' => array('name' => ''), 'optgroup' => array('label' => ''), 'param' => array('name' => ''), 'script' => array('type' => 'text/javascript'), 'textarea' => array('rows' => '10', 'cols' => '50'));
if (isset($eAR[$e])) {
foreach ($eAR[$e] as $k => $v) {
if (!isset($a[$k])) {
$a[$k] = isset($v[0]) ? $v : $k;
}
}
}
// depr attrs
if ($depTr) {
$c = array();
foreach ($a as $k => $v) {
if ($k == 'style' or !isset($aND[$k][$e])) {
continue;
}
if ($k == 'align') {
unset($a['align']);
if ($e == 'img' && ($v == 'left' or $v == 'right')) {
$c[] = 'float: ' . $v;
} elseif (($e == 'div' or $e == 'table') && $v == 'center') {
$c[] = 'margin: auto';
} else {
$c[] = 'text-align: ' . $v;
}
} elseif ($k == 'bgcolor') {
unset($a['bgcolor']);
$c[] = 'background-color: ' . $v;
} elseif ($k == 'border') {
unset($a['border']);
$c[] = "border: {$v}px";
} elseif ($k == 'bordercolor') {
unset($a['bordercolor']);
$c[] = 'border-color: ' . $v;
} elseif ($k == 'clear') {
unset($a['clear']);
$c[] = 'clear: ' . ($v != 'all' ? $v : 'both');
} elseif ($k == 'compact') {
unset($a['compact']);
$c[] = 'font-size: 85%';
} elseif ($k == 'height' or $k == 'width') {
unset($a[$k]);
$c[] = $k . ': ' . ($v[0] != '*' ? $v . (ctype_digit($v) ? 'px' : '') : 'auto');
} elseif ($k == 'hspace') {
unset($a['hspace']);
$c[] = "margin-left: {$v}px; margin-right: {$v}px";
} elseif ($k == 'language' && !isset($a['type'])) {
unset($a['language']);
$a['type'] = 'text/' . strtolower($v);
} elseif ($k == 'name') {
if ($C['no_deprecated_attr'] == 2 or $e != 'a' && $e != 'map') {
unset($a['name']);
}
if (!isset($a['id']) && preg_match('`[a-zA-Z][a-zA-Z\\d.:_\\-]*`', $v)) {
$a['id'] = $v;
}
} elseif ($k == 'noshade') {
unset($a['noshade']);
$c[] = 'border-style: none; border: 0; background-color: gray; color: gray';
} elseif ($k == 'nowrap') {
unset($a['nowrap']);
$c[] = 'white-space: nowrap';
} elseif ($k == 'size') {
unset($a['size']);
$c[] = 'size: ' . $v . 'px';
} elseif ($k == 'start' or $k == 'value') {
unset($a[$k]);
} elseif ($k == 'type') {
unset($a['type']);
static $ol_type = array('i' => 'lower-roman', 'I' => 'upper-roman', 'a' => 'lower-latin', 'A' => 'upper-latin', '1' => 'decimal');
$c[] = 'list-style-type: ' . (isset($ol_type[$v]) ? $ol_type[$v] : 'decimal');
} elseif ($k == 'vspace') {
unset($a['vspace']);
$c[] = "margin-top: {$v}px; margin-bottom: {$v}px";
}
}
if (count($c)) {
$c = implode('; ', $c);
$a['style'] = isset($a['style']) ? rtrim($a['style'], ' ;') . '; ' . $c . ';' : $c . ';';
}
}
// unique ID
if ($C['unique_ids'] && isset($a['id'])) {
if (!preg_match('`^[A-Za-z][A-Za-z0-9_\\-.:]*$`', $id = $a['id']) or isset($GLOBALS['hl_Ids'][$id]) && $C['unique_ids'] == 1) {
unset($a['id']);
} else {
while (isset($GLOBALS['hl_Ids'][$id])) {
$id = $C['unique_ids'] . $id;
}
$GLOBALS['hl_Ids'][$a['id'] = $id] = 1;
}
}
// xml:lang
if ($C['xml:lang'] && isset($a['lang'])) {
$a['xml:lang'] = isset($a['xml:lang']) ? $a['xml:lang'] : $a['lang'];
if ($C['xml:lang'] == 2) {
unset($a['lang']);
}
}
// for transformed tag
if (!empty($trt)) {
$a['style'] = isset($a['style']) ? rtrim($a['style'], ' ;') . '; ' . $trt : $trt;
}
// return with empty ele /
if (empty($C['hook_tag'])) {
$aA = '';
foreach ($a as $k => $v) {
$aA .= " {$k}=\"{$v}\"";
}
return "<{$e}{$aA}" . (isset($eE[$e]) ? ' /' : '') . '>';
} else {
return $C['hook_tag']($e, $a);
}
// eof
}
