6. What does the display_errors directive control in PHP?

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

A). trigger_error()

B). error_log()

C). set_error_handler()

D). log_error()

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 catch and handle exceptions?

A). catch_exception()

B). handle_exception()

C). try_catch()

D). try()

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

How can you log exceptions to a file in PHP?

A). Using the logException() method

B). Using the error_log() function

C). Using the catch block to log the exception

D). Using the set_exception_handler() function

What is the primary benefit of using exception handling over traditional error handling?

A). Better separation of concerns

B). Simplicity of implementation

C). Lower memory consumption

D). Faster script execution

What is the significance of logging errors and exceptions in production environments?

A). To monitor application health and diagnose issues proactively

B). To increase server load

C). To reduce application security vulnerabilities

D). To improve code readability and maintainability

How can you enable error logging to a file in PHP?

A). Using the error_log() function

B). Setting the log_errors directive to On in php.ini

C). Using the set_error_handler() function

D). Using the display_errors() function

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 PHP library is commonly used for advanced logging functionalities?

A). Monolog

B). Swiftmailer

C). Guzzle

D). Symfony