public function thumbnailUrlOnRequest($originalSrc, Filter $filter, $nameForSave = '')
{
$originalSrc = (string) $originalSrc;
$extension = static::getExtension($originalSrc);
if (!$extension) {
return $originalSrc;
}
if (!$this->isAllowExtension($extension)) {
return $originalSrc;
}
if (!$nameForSave) {
$nameForSave = static::DEFAULT_THUMBNAIL_FILENAME;
}
$params = [];
if ($filter->getConfig()) {
$params = $filter->getConfig();
}
$replacePart = DIRECTORY_SEPARATOR . static::THUMBNAIL_PREFIX . $filter->id . ($params ? DIRECTORY_SEPARATOR . $this->getParamsCheckString($params) : "") . DIRECTORY_SEPARATOR . $nameForSave;
$imageSrcResult = str_replace('.' . $extension, $replacePart . '.' . $extension, $originalSrc);
if ($params) {
$imageSrcResult = $imageSrcResult . '?' . http_build_query($params);
}
return $imageSrcResult;
}