Markdown::getBlogByKeyword PHP Méthode

    public function getBlogByKeyword($keyword, $max = 50)
    {
        $keyword = strtolower($keyword);
        $cacheKey = "getBlogByKeyword_" . md5($keyword) . "_" . $max . ".gb";
        $blogList = $this->gbReadCache($cacheKey);
        if ($blogList === false) {
            $blogList = array();
            foreach ($this->blogs as $idx => $blog) {
                $blogTitle = strtolower($blog['title']);
                $blogContent = strtolower(strip_tags($blog['content']));
                $blogKeywords = strtolower($blog['keywords']);
                $blogSummary = strtolower($blog['summary']);
                $blogTags = '';
                foreach ($blog['tags'] as $tag) {
                    $blogTags = $blogTags . ' ' . $tag['name'];
                }
                $blogCategory = '';
                foreach ($blog['category'] as $category) {
                    $blogCategory = $blogCategory . ' ' . $category['name'];
                }
                if (strpos($blogTitle, $keyword) !== FALSE || strpos($blogContent, $keyword) !== FALSE || strpos($blogKeywords, $keyword) !== FALSE || strpos($blogTags, $keyword) !== FALSE || strpos($blogCategory, $keyword) !== FALSE || strpos($blogSummary, $keyword) !== FALSE) {
                    array_push($blogList, $blog);
                }
                if (count($blogList) >= $max) {
                    break;
                }
            }
            $this->gbWriteCache($cacheKey, $blogList);
        }
        return $blogList;
    }