action. The action attribute defines the URL where the form data will be submitted.
Which attribute of the HTML <form> element specifies the HTTP method to be used when submitting the form data?
A). method
B). action
C). type
D). enctype
Which PHP function is used to sanitize user input to prevent SQL injection attacks?
A). strip_tags()
B). htmlspecialchars()
C). mysql_real_escape_string()
D). trim()
What is the purpose of the htmlspecialchars() function in PHP?
A). To convert HTML entities to their corresponding characters.
B). To remove HTML tags from a string.
C). To encode special characters in HTML format.
D). To decode special characters in HTML format.
Which PHP superglobal array is used to retrieve form data sent with the POST method?
A). $_POST
B). $_GET
C). $_REQUEST
D). $_SERVER
Which PHP function is used to redirect the user to another page?
A). redirect()
B). header()
C). forward()
D). location()
How can you prevent SQL injection attacks in PHP?
A). Use prepared statements with parameterized queries.
B). Escape user input using the htmlspecialchars() function.
C). Sanitize user input using the filter_var() function.
D). Validate user input using regular expressions.
What is the purpose of the explode() function in PHP?
A). To split a string into an array based on a specified delimiter.
B). To join array elements into a string using a specified delimiter.
C). To sort an array in ascending order.
D). To merge two or more arrays.
How can you access the value of a form field named 'username' submitted via the POST method in PHP?
A). $_GET['username']
B). $_POST['username']
C). $_REQUEST['username']
D). $_SERVER['username']
Which function is used to check if a variable is an array in PHP?
A). is_array()
B). check_array()
C). array_check()
D). isArray()
Which PHP superglobal array is used to retrieve form data sent with the POST method?
A). $_POST
B). $_GET
C). $_REQUEST
D). $_SERVER