Caption extractor
“Invalid URL.”]);
exit;
}// Use cURL to fetch Instagram HTML
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_USERAGENT, ‘Mozilla/5.0’);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
$html = curl_exec($ch);
curl_close($ch);// Extract caption from JSON embedded in HTML
preg_match(‘/