$_POST. The $_POST array contains key-value pairs of data sent to the script via the HTTP POST method.
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 isset() function in PHP when handling form submissions?
A). To check if a variable is empty
B). To check if a variable is set and is not NULL
C). To check if a variable is numeric
D). To convert a variable to a string
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()
What is the purpose of the trim() function in PHP?
A). To remove whitespace from the beginning and end of a string.
B). To truncate a string to a specified length.
C). To convert a string to lowercase.
D). To convert a string to uppercase.
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
What is the purpose of the isset() function in PHP when handling form submissions?
A). To check if a variable is empty
B). To check if a variable is set and is not NULL
C). To check if a variable is numeric
D). To convert a variable to a string
Which PHP function is used to handle file uploads?
A). upload_file()
B). process_upload()
C). handle_upload()
D). move_uploaded_file()
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 redirect the user to another page?
A). redirect()
B). header()
C). forward()
D). location()
What type of attribute is used in an HTML form to specify where to send the form data?
A). method
B). action
C). type
D). name