Search results for: "unique usernames"

Are there any best practices for efficiently identifying and extracting usernames from quoted text in PHP forums?

When extracting usernames from quoted text in PHP forums, a best practice is to use regular expressions to search for usernames that are typically pre...

How can one efficiently store and check a large array of usernames for pattern recognition in PHP?

When dealing with a large array of usernames for pattern recognition in PHP, one efficient way to store and check them is by using regular expressions...

What potential issues can arise from storing hashed values of usernames and passwords in a database?

One potential issue that can arise from storing hashed values of usernames and passwords in a database is the risk of a dictionary or brute force atta...

What are the best practices for handling special characters in usernames in PHP applications?

Special characters in usernames can potentially cause issues when handling data in PHP applications, such as SQL injection or cross-site scripting vul...

How can one prevent duplicate usernames in a MySQL database when a user signs up?

To prevent duplicate usernames in a MySQL database when a user signs up, you can check if the username already exists in the database before inserting...