trim() function in PHP?
trim() function in PHP is used to remove whitespace from the beginning and end of a string.
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
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.
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
Which PHP superglobal array is used to retrieve form data sent with the POST method?
A). $_POST
B). $_GET
C). $_REQUEST
D). $_SERVER
What function is used to check if a file upload operation was successful in PHP?
A). file_exists()
B). is_uploaded_file()
C). move_uploaded_file()
D). file_upload_successful()
Which PHP superglobal array is used to retrieve form data sent with the POST method?
A). $_POST
B). $_GET
C). $_REQUEST
D). $_SERVER
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.
Which PHP function is used to redirect the user to another page?
A). redirect()
B). header()
C). forward()
D). location()
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
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.