use certbot for gatering informations

controllers/GetSSLDaysController.php

@@ -11,7 +11,7 @@ class GetSSLDaysController {
             return;
         }
 
-        exec("sudo certbot certificates --cert-name $domain | grep 'Expiry' | sed 's/days)//g' | sed 's/[[:space:]]//g' | cut -d:  -f2,f3", $phpOutput, $phpReturnCode);
+        exec("sudo certbot certificates --cert-name $domain | grep 'Expiry' | grep 'Expiry' | sed 's/  //g'", $phpOutput, $phpReturnCode);
         $sslData = implode("\n",$phpOutput);
         /*
         $certFile = "/etc/letsencrypt/live/$domain/fullchain.pem";