Q
Which PHP function is used to trigger a user-defined error?

Answer & Solution

Answer: Option A
Solution:
The trigger_error() function in PHP is used to trigger a user-defined error, which can then be handled using custom error handlers or logged using error logging mechanisms.
Related Questions on Average

Which PHP construct is used for exception handling?

A). try-catch

B). if-else

C). switch-case

D). for loop

Which PHP function is used to log messages with different severity levels?

A). log()

B). error_log()

C). print_log()

D). write_log()

What is the purpose of logging contextual information along with errors and exceptions?

A). To provide additional details for debugging and diagnosis

B). To increase server load

C). To minimize log file size

D). To improve code readability and maintainability

What is the default error logging destination in PHP?

A). Standard output

B). Standard error

C). System log file

D). Web server error log file

How can you log errors and exceptions to a database in PHP?

A). By writing custom database queries to insert error details

B). By using built-in PHP functions like error_log()

C). By executing stored procedures in the database

D). By using logging libraries like Monolog

Which PHP library is commonly used for advanced logging functionalities?

A). Monolog

B). Swiftmailer

C). Guzzle

D). Symfony

Which PHP function is used to set a custom error handler?

A). set_error_handler()

B). register_error_handler()

C). define_error_handler()

D). handle_error()

Which logging level is typically used for critical errors in PHP applications?

A). ERROR

B). WARNING

C). INFO

D). CRITICAL

What does the display_errors directive control in PHP?

A). Whether errors are displayed on the web page

B). Whether errors are logged to a file

C). Whether errors are reported to the server

D). Whether errors are suppressed

What does the log_errors directive control in PHP?

A). Whether errors are logged to a file

B). Whether errors are displayed on the web page

C). Whether errors are reported to the server

D). Whether errors are suppressed