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 sanitize input data from a form to prevent XSS attacks?
A). htmlspecialchars()
B). htmlentities()
C). strip_tags()
D). filter_var()
Which of the following is NOT a common input validation technique for form data?
A). Regular Expressions
B). Whitelisting
C). Blacklisting
D). Tokenization
Which HTTP header instructs web browsers to limit the scope of cookies to a specific domain?
A). SameSite
B). Cache-Control
C). Access-Control-Allow-Origin
D). Content-Security-Policy
What is the purpose of using prepared statements when interacting with databases in PHP?
A). Preventing SQL Injection
B). Improving Performance
C). Encrypting Data
D). Enforcing Data Integrity
Which of the following is a common security vulnerability associated with form data submission?
A). SQL Injection
B). Form Spamming
C). Broken Authentication
D). Clickjacking
Which PHP function is commonly used to check if a form field is empty?
A). empty()
B). isset()
C). is_empty()
D). is_null()
What is the purpose of session management in web applications?
A). Maintaining User State
B). Encrypting Data
C). Preventing SQL Injection
D). Validating Form Data
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()