File: /home/nahevttf/www/wp-content/plugins/smart-slider-3/Nextend/Framework/Cache/StoreImage.php
<?php
namespace Nextend\Framework\Cache;
class StoreImage extends AbstractCache {
    protected $_storageEngine = 'filesystem';
    protected function getScope() {
        return 'image';
    }
    public function makeCache($fileName, $content) {
        if (!$this->isImage($fileName)) {
            return false;
        }
        if (!$this->exists($fileName)) {
            $this->set($fileName, $content);
        }
        return $this->getPath($fileName);
    }
    private function isImage($fileName) {
        $supported_image = array(
            'gif',
            'jpg',
            'jpeg',
            'png',
            'mp4',
            'mp3',
            'webp',
            'svg'
        );
        $ext = strtolower(pathinfo($fileName, PATHINFO_EXTENSION));
        if (in_array($ext, $supported_image)) {
            return true;
        }
        return false;
    }
}