Решение с SDK PHP Facebook:
<?php
try {
$params = [
'id' => 'https://www.mysitetoscrape.com/page',
'scrape' => 'true',
];
$response = $fb->post('/', $params);
print_r($response);
} catch(\Facebook\Exceptions\FacebookResponseException $e) {
// When Graph returns an error
echo 'Graph returned an error: ' . $e->getMessage();
} catch(\Facebook\Exceptions\FacebookSDKException $e) {
// When validation fails or other local issues
echo 'Facebook SDK returned an error: ' . $e->getMessage();
}
?>