/**
* Generate content slug
*
* @param array $content object
* @return string unique content slug
*/
private function generateContentSlug($content)
{
$slug = H5PCore::slugify($content['title']);
$available = NULL;
while (!$available) {
if ($available === FALSE) {
// If not available, add number suffix.
$matches = array();
if (preg_match('/(.+-)([0-9]+)$/', $slug, $matches)) {
$slug = $matches[1] . (intval($matches[2]) + 1);
} else {
$slug .= '-2';
}
}
$available = $this->h5pF->isContentSlugAvailable($slug);
}
return $slug;
}
