/**
* Attaches files by url which found in content text.
* This is experimental and only supports image files at the moment.
*
* @param HActiveRecordContent $content
* @param String $text
*/
public static function attachFilesByUrlsToContent($content, $text)
{
if (!$content instanceof HActiveRecordContent) {
throw new CException("Invalid content object given!");
}
$max = 5;
$count = 1;
$text = preg_replace_callback('/http(.*?)(\\s|$)/i', function ($match) use(&$count, &$max, &$content) {
if ($max > $count) {
$url = $match[0];
$ch = curl_init();
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 10);
curl_setopt($ch, CURLOPT_USERAGENT, $_SERVER['HTTP_USER_AGENT']);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, false);
curl_setopt($ch, CURLOPT_HEADER, true);
$ret = curl_exec($ch);
$contentType = curl_getinfo($ch, CURLINFO_CONTENT_TYPE);
$httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
list($headers, $outputContent) = explode("\r\n\r\n", $ret, 2);
curl_close($ch);
if ($httpCode == 200 && substr($contentType, 0, 6) == 'image/') {
$extension = 'img';
if ($contentType == 'image/jpeg' || $contentType == 'image/jpg') {
$extension = 'jpg';
} elseif ($contentType == 'image/gif') {
$extension = 'gif';
} elseif ($contentType == 'image/png') {
$extension = 'png';
}
$file = new File();
$file->object_model = get_class($content);
$file->mime_type = $contentType;
$file->title = "Link Image";
$file->file_name = "LinkImage." . $extension;
$file->object_id = $content->getPrimaryKey();
if ($file->save()) {
$file->slurpContent($outputContent);
}
}
}
$count++;
}, $text);
}
