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Why does $username always output an empty string using var_dump()?

<?phpif(!isset($_POST['submit'])){ exit('Illegal access!'); } $username=htmlspecialchars($_POST["username"]);var_dump($username);$pass

ice warmer 2019-05-18 16:04:56

How do everyone write PHP programs to process the HTML code entered by the user?

In order to filter HTML and JS code, should htmlspecialchars() be called before writing the library or when reading the library? Or what?

PHPz 2017-05-27 17:43:23

Migrating to PHP 8.1 - How to fix deprecated passing null to parameter error - Rename build in function

PHP8.1 has deprecated passing null as a parameter to many core functions. My main problem is with functions like htmlspecialchars(php) and trim(php) where null is no longer silently converted to an empty string. To solve this problem without using a lot of code, I tried renaming the original built-i...

P粉420868294 2024-01-10 16:21:21