//コンテンツ内の非SSL URLを表示前にSSL化する function chagne_site_url_html_to_https_ex($the_content){ //httpとhttpsURLの取得 if (strpos(site_url(), 'https://') !== false) { $http_url = str_replace('https://', 'http://', site_url()); $https_url = site_url(); } else { $http_url = site_url(); $https_url = str_replace('http://', 'https://', site_url()); } //投稿本文の内部リンクを置換 $the_content = str_replace($http_url, $https_url,