[Tue Feb 09 17:08:12.532207 2021] [php7:notice] [pid 21745] [client 127.0.0.1:46546] PHP Notice: Undefined index: CLOUDFRONT_URL_ROOT in /var/www/html/tattle-dev/api/protected/config/main.php on line 23 code example

Example: php undefined index

// Your array index has no value or is not referencing anything,
// The easiest way to overcome this is to simply check whether
// it has been defined
if (isset($arr[$i])) {
	// Do something
}