function cloakHTML($s)
{
$s = '' . $s;
$return = array();
for ($i = 0; $i < strlen($s); $i++) {
if (ctype_alnum($s[$i])) {
$return[] = '&#' . ord($s[$i]) . ';';
} else {
$return[] = fesc($s[$i]);
}
}
return implode('', $return);
}
public function testGetTagAttr()
{
$fesc = fesc($_ = "<&\"'>");
$tag = "\n <a data-value=1 fesc='{$fesc}' href='/about/' class=\"class\" target=_blank>About</a>\n ";
$attr = getTagAttr($tag);
$attrHref = getTagAttr($tag, 'href');
$attrNone = getTagAttr($tag, 'none');
$attrFesc = getTagAttr($tag, 'fesc');
$this->assertEquals($attr['href'], "/about/");
$this->assertEquals($attr['class'], "class");
$this->assertEquals($attr['target'], "_blank");
$this->assertEquals($attr['data-value'], "1");
$this->assertTrue($attrHref ? true : false);
$this->assertFalse($attrNone ? true : false);
$this->assertEquals($attrFesc, $_);
}
function prepareAttr($attr)
{
$collector = array();
if (is_string($attr)) {
$attr = getTagAttr($attr);
}
foreach ($attr as $k => $v) {
if (!$v or !$k) {
continue;
}
if (is_assoc($v)) {
$_collector = array();
foreach ($v as $_k => $_v) {
if (!$_v or !$_k) {
continue;
}
$_collector[] = sprintf('%s:%s', fesc($_k), fesc($_v));
}
$v = implode('; ', $_collector);
} elseif (is_array($v)) {
$v = implode(' ', $v);
}
$collector[] = sprintf('%s="%s"', $k, fesc($v));
}
return implode(' ', $collector);
}
private function toArray($node, $level)
{
$array = array();
if (!$node) {
return array();
}
if ($node instanceof DOMAttr) {
return $node->value;
}
if ($node instanceof DOMNodeList) {
foreach ($node as $n) {
$array[] = $this->toArray($n, $level);
}
return $array;
}
if ($node->nodeType == XML_TEXT_NODE) {
if ($level) {
return esc(trim($node->nodeValue));
} else {
return trim($node->nodeValue);
}
}
if ($node->nodeType == XML_COMMENT_NODE) {
return '<!--' . $node->nodeValue . '-->';
}
@($tag = $node->tagName);
if (!$tag) {
return '';
}
$collector = "<{$tag}%s>%s</{$tag}>";
$closed = "<{$tag}%s />";
$attr = array();
$inner = array();
if ($node->hasAttributes()) {
foreach ($node->attributes as $a) {
$attr[] = ' ' . sprintf('%s="%s"', $a->nodeName, fesc($a->nodeValue));
}
}
if ($node->hasChildNodes()) {
foreach ($node->childNodes as $childNode) {
$t = $this->toArray($childNode, $level + 1);
if ($t or $t == 0) {
$inner[] = $t;
}
}
}
$attr = implode('', $attr);
$inner = implode('', $inner);
if (!$inner and in_array($tag, explode(',', 'br,img,hr,param'))) {
return sprintf($closed, $attr);
}
return sprintf($collector, $attr, $inner);
}
