Related questions
How can I prevent SQL injection in PHP?
If user input is inserted without modification into an SQL query, then the application becomes vulnerable to SQL injection, like in the following example:
$unsafe_variable = $_POST['user_input'];
mysql_query("INSERT INTO `table` (`column`) VALUES ('$unsafe_variable')");
That's …
How can I sanitize user input with PHP?
Is there a catchall function somewhere that works well for sanitizing user input for SQL injection and XSS attacks, while still allowing certain types of HTML tags?
How do you Encrypt and Decrypt a PHP String?
What I mean is:
Original String + Salt or Key --> Encrypted String
Encrypted String + Salt or Key --> Decrypted (Original String)
Maybe something like:
"hello world!" + "ABCD1234" --> Encrypt --> "2a2ffa8f13220befbe30819047e23b2…