![Fatal error: Uncaught Error: Call to a member function prepare() on null [C:\xampp\htdocs\twitter\core\classes\user.php on line 19] - Stack Overflow Fatal error: Uncaught Error: Call to a member function prepare() on null [C:\xampp\htdocs\twitter\core\classes\user.php on line 19] - Stack Overflow](https://i.stack.imgur.com/kB4NU.png)
Fatal error: Uncaught Error: Call to a member function prepare() on null [C:\xampp\htdocs\twitter\core\classes\user.php on line 19] - Stack Overflow
Email validation by way of FILTER_VALIDATE_EMAIL behaves differently depending on PHP version/installation · Issue #897 · symfony/symfony · GitHub
![RIPS Technologies on Twitter: "Be careful when using filter_var() for validating user input. Can you spot the vulnerability? #PHP #coding #codechallenge https://t.co/NM8r7DLl0k" / Twitter RIPS Technologies on Twitter: "Be careful when using filter_var() for validating user input. Can you spot the vulnerability? #PHP #coding #codechallenge https://t.co/NM8r7DLl0k" / Twitter](https://pbs.twimg.com/media/DsxfeBmXcAA2SID.png)