Search results for: "user online status"

How can PHP code be structured to ensure correct execution of conditional statements based on user input?

When dealing with conditional statements based on user input in PHP, it is important to validate and sanitize the input to prevent any malicious code...

What are the potential methods for retaining user input in a form field across visits in PHP?

To retain user input in a form field across visits in PHP, you can utilize sessions or cookies to store the input data. Sessions are stored on the ser...

What are common pitfalls when using PHP functions to validate user input, such as passwords and usernames?

Common pitfalls when using PHP functions to validate user input, such as passwords and usernames, include not properly sanitizing input data, not usin...

Why is it important to properly sanitize user input before using it in SQL queries in PHP?

It is important to properly sanitize user input before using it in SQL queries in PHP to prevent SQL injection attacks. SQL injection attacks occur wh...

Are there any best practices for handling user input in PHP search scripts to prevent security vulnerabilities?

When handling user input in PHP search scripts, it is important to sanitize and validate the input to prevent security vulnerabilities such as SQL inj...