What is the primary purpose of form data validation in web applications?
A). Enhancing user experience
B). Preventing security vulnerabilities
C). Optimizing server performance
D). Improving search engine ranking
Which PHP function is used to generate a random CSRF token for form submissions?
A). bin2hex()
B). uniqid()
C). md5()
D). openssl_random_pseudo_bytes()
Which PHP function is commonly used to check if a form field is empty?
A). empty()
B). isset()
C). is_empty()
D). is_null()
Which of the following is a secure method for storing passwords in a database?
A). Hashing
B). Encryption
C). Salting
D). All of the above
Which of the following is a best practice for preventing SQL Injection when executing SQL queries in PHP?
A). Use Parameterized Queries
B). Store Passwords in Plain Text
C). Use addslashes() Function
D). Disable Error Reporting
What is the purpose of using HTTPS (HTTP Secure) in web applications?
A). Encrypting Data
B). Authenticating Users
C). Preventing XSS Attacks
D). Optimizing Page Load Speed
Which PHP function is commonly used to sanitize input data from a form to prevent XSS attacks?
A). htmlspecialchars()
B). htmlentities()
C). strip_tags()
D). filter_var()
What security mechanism prevents Cross-Site Request Forgery (CSRF) attacks by generating and validating unique tokens for each form submission?
A). CSRF Token
B). Session Management
C). Secure Cookies
D). HTTPS
Which PHP function is commonly used to sanitize input data from a form to prevent SQL injection?
A). mysqli_real_escape_string()
B). htmlspecialchars()
C). filter_var()
D). htmlentities()
Which PHP function is commonly used to validate email addresses submitted through a form?
A). filter_var()
B). preg_match()
C). validate_email()
D). email_check()