Fatal error: Uncaught TypeError: extract(): Argument #1 ($array) must be of type array, null given in /var/www/test_html_sp/help_2.php:100 Stack trace: #0 /var/www/test_html_sp/help_2.php(100): extract() #1 {main} thrown in /var/www/test_html_sp/help_2.php on line 100