loadEmbeddedJsonData($html);
foreach ($html->find('li[id^="screenshot-"]') as $shot) {
$item = [];
$additional_data = $this->findJsonForShot($shot, $json);
if ($additional_data === null) {
$item['uri'] = self::URI . $shot->find('a', 0)->href;
$item['title'] = $shot->find('.shot-title', 0)->plaintext;
} else {
$item['timestamp'] = strtotime($additional_data['published_at']);
$item['uri'] = self::URI . $additional_data['path'];
$item['title'] = $additional_data['title'];
}
$item['author'] = trim($shot->find('.user-information .display-name', 0)->plaintext);
$description = $shot->find('.comment', 0);
$item['content'] = $description === null ? '' : $description->plaintext;
$preview_path = $shot->find('figure img', 1)->attr['data-srcset'];
$item['content'] .= $this->getImageTag($preview_path, $item['title']);
$item['enclosures'] = [$this->getFullSizeImagePath($preview_path)];
$this->items[] = $item;
}
}
private function loadEmbeddedJsonData($html)
{
$json = [];
$scripts = $html->find('script');
foreach ($scripts as $script) {
if (strpos($script->innertext, 'newestShots') !== false) {
// fix single quotes
$script->innertext = preg_replace('/\'(.*)\'(,?)$/im', '"\1"\2', $script->innertext);
// fix JavaScript JSON (why do they not adhere to the standard?)
$script->innertext = preg_replace('/^(\s*)(\w+):/im', '\1"\2":', $script->innertext);
// fix relative dates, so they are recognized by strtotime
$script->innertext = preg_replace('/"about ([0-9]+ hours? ago)"(,?)$/im', '"\1"\2', $script->innertext);
// find beginning of JSON array
$start = strpos($script->innertext, '[');
// find end of JSON array, compensate for missing character!
$end = strpos($script->innertext, '];') + 1;
// convert JSON to PHP array
$json = json_decode(substr($script->innertext, $start, $end - $start), true);
break;
}
}
return $json;
}
private function findJsonForShot($shot, $json)
{
foreach ($json as $element) {
if (strpos($shot->getAttribute('id'), (string)$element['id']) !== false) {
return $element;
}
}
return null;
}
private function getImageTag($preview_path, $title)
{
return sprintf(
'
![%s]()
',
$this->getFullSizeImagePath($preview_path),
$preview_path,
$title
);
}
private function getFullSizeImagePath($preview_path)
{
// Get last image from srcset
$src_set_urls = explode(',', $preview_path);
$url = end($src_set_urls);
$url = explode(' ', $url)[1];
return htmlspecialchars_decode($url);
}
}