function parse_dom_contents($doc_contents = '', $doc_type = 'html')
{
$dom_contents = [];
if ($doc_type == 'html') {
//-----------------parse html contents---------------
$dom_contents['html:head'] = '';
$dom_contents['html:links'] = '';
$dom_contents['html:scripts'] = '';
$dom_contents['html:styles'] = '';
$dom_contents['html:body'] = '';
//-----------------parse doc_contents---------------
$dom = new DOMDocument();
$dom->loadHTML($doc_contents);
//----------parse head---------
$head = $dom->getElementsByTagName('head');
if ($head && 0 < $head->length) {
$dom_contents['html:head'] = strip_single_tag($dom->savehtml($head->item(0)), 'head');
}
//----------parse link---------
$links = $dom->getElementsByTagName('link');
if ($links && 0 < $links->length) {
foreach ($links as $i => $link) {
if ($link->hasAttributes() && ($url = $link->getAttribute('href'))) {
foreach ($link->attributes as $attr) {
$name = $attr->nodeName;
$value = $attr->nodeValue;
$dom_contents['html:links'][$url][$name] = $value;
}
$dom_contents['html:links'][$url]['string'] = custom_trim($dom->savehtml($links->item($i)));
}
}
}
//----------parse script---------
$scripts = $dom->getElementsByTagName('script');
if ($scripts && 0 < $scripts->length) {
foreach ($scripts as $i => $script) {
if ($script->hasAttributes() && ($url = $script->getAttribute('src'))) {
foreach ($script->attributes as $attr) {
$name = $attr->nodeName;
$value = $attr->nodeValue;
$dom_contents['html:scripts'][$url][$name] = $value;
}
$dom_contents['html:scripts'][$url]['string'] = custom_trim($dom->savehtml($scripts->item($i)));
}
}
}
//----------parse style---------
$styles = $dom->getElementsByTagName('style');
if ($styles && 0 < $styles->length) {
foreach ($styles as $i => $style) {
if ($style->hasAttributes()) {
foreach ($style->attributes as $attr) {
$name = $attr->nodeName;
$value = $attr->nodeValue;
$dom_contents['html:styles'][$i][$name] = $value;
}
}
$dom_contents['html:styles'][$i]['string'] = strip_single_tag(custom_trim($dom->savehtml($styles->item($i))), 'style');
}
}
//----------parse body---------
$body = $dom->getElementsByTagName('body');
if ($body && 0 < $body->length) {
$dom_contents['html:body'] = strip_single_tag($dom->savehtml($body->item(0)), 'body');
}
} elseif ($doc_type == 'css') {
$dom_contents['css'] = parse_css_selectors($doc_contents);
}
return $dom_contents;
}
