', ' ', "\n", "\r", "\t");
$openedTagsStack = array();
$currentTag = '';
$insideOpenTag = false;
$insideCloseTag = false;
$waitForTagEnd = false;
$closedBrake = false;
$html = preg_replace('%]*->%', '', $html);
for ($i = 0; $i < strlen($html); $i++) {
if ($html[$i] == '<') {
if (!$insideOpenTag && !$insideCloseTag) {
if ($html[$i + 1] == '/') {
$insideCloseTag = true;
$i++;
} else {
$insideOpenTag = true;
}
}
} elseif ($waitForTagEnd) {
if ($html[$i] == '>') {
$insideOpenTag = false;
$insideCloseTag = false;
$waitForTagEnd = false;
} else continue;
} elseif ($insideOpenTag || $insideCloseTag) {
if (!in_array($html[$i], $endNameTagSymbols)) {
$currentTag .= $html[$i];
} else {
if ($html[$i] == '>') {
$closedBrake = true;
}
if ($insideOpenTag) {
if (!in_array($currentTag, $aloneTags))
$openedTagsStack[] = $currentTag;
} else {
if (!in_array($currentTag, $openedTagsStack)) {
$html = substr($html, 0, $i - strlen($currentTag) - 2) . substr($html, strpos($html, '>', $i) + 1);
$i -= strlen($currentTag) + 3;
$closedBrake = true; // костыль
} else {
$lastOpenedTag = array_pop($openedTagsStack);
$needToInsert = '';
while ($lastOpenedTag != $currentTag) {
$needToInsert .= '';
$lastOpenedTag = array_pop($openedTagsStack);
}
$html = substr($html, 0, $i - strlen($currentTag) - 2) . $needToInsert . substr($html, $i - strlen($currentTag) - 2);
$i += strlen($needToInsert);
}
}
$currentTag = '';
if ($closedBrake) {
$insideOpenTag = false;
$insideCloseTag = false;
$closedBrake = false;
} else {
$waitForTagEnd = true;
}
}
} elseif (!$insideOpenTag && !$insideCloseTag && $html[$i] == '>') {
$html = substr($html, 0, $i) . '>' . substr($html, $i + 1);
$i += 3;
}
}
if ($insideOpenTag || $insideCloseTag)
$html = substr($html, 0, strrpos($html, '<'));
if (!empty($openedTagsStack)) {
for ($i = count($openedTagsStack) - 1; $i >= 0; $i--)
$html .= '';
}
return $html;
}
// логика - закрывает все теги, закрытые без открытых удаляет
}
$html = '![]()
ng>k