function action_page()
{
require_once 'exts/simple_html_dom.php';
$error = 0;
$finds = null;
$errormsg = '';
$postUrl = $_POST['url'];
$postSelector = $_POST['selector'];
$html = null;
try {
$html = file_get_html($postUrl);
} catch (Exception $e) {
$error = -400;
}
if ($html === null) {
$errormsg = "Can't load url";
} else {
$finds = $html->find($postSelector);
if (count($finds) == 0) {
$selparts = explode(' ', $postSelector);
$finds = array($html);
foreach ($selparts as $part) {
if (strcasecmp($part, ' ') == 0) {
continue;
}
$dotscount = substr_count($part, '.');
if ($dotscount > 1) {
$classes = array_filter(explode('.', $part));
$newfinds = array();
foreach ($finds as $el) {
$fndEls = $el->find('.' . reset($classes));
foreach ($fndEls as $fndEl) {
$elClasses = array_filter(explode(' ', $fndEl->class));
$num = 0;
foreach ($classes as $class) {
if (in_array($class, $elClasses)) {
$num = $num + 1;
}
}
if ($num == count($classes)) {
array_push($newfinds, $fndEl);
}
}
}
$finds = $newfinds;
} else {
$newfinds = array();
foreach ($finds as $el) {
$fndEls = $el->find($part);
foreach ($fndEls as $fndEl) {
array_push($newfinds, $fndEl);
}
}
$finds = $newfinds;
}
if (count($finds) == 0) {
break;
}
}
}
}
$data = array('error' => $error);
if ($finds !== null && count($finds) != 0) {
$arrEls = array();
foreach ($finds as $el) {
array_push($arrEls, $el->outertext);
}
$data['result'] = $arrEls;
}
if ($errormsg !== null) {
$data['errormsg'] = $errormsg;
}
$view = new JsonView();
$view->generate($data);
if ($html != null) {
$html->clear();
unset($html);
}
}
