Warning: Undefined variable $argv in /var/www/html/dmarc_parser.php on line 17

Fatal error: Uncaught TypeError: array_key_last(): Argument #1 ($array) must be of type array, null given in /var/www/html/dmarc_parser.php:17 Stack trace: #0 /var/www/html/dmarc_parser.php(17): array_key_last(NULL) #1 {main} thrown in /var/www/html/dmarc_parser.php on line 17