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

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 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

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

A). trigger_error()

B). error_log()

C). set_error_handler()

D). log_error()

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

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()

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

Which PHP construct is used for exception handling?

A). try-catch

B). if-else

C). switch-case

D). for loop

Which PHP library is commonly used for advanced logging functionalities?

A). Monolog

B). Swiftmailer

C). Guzzle

D). Symfony

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 customize error logging settings in PHP applications?

A). By modifying the php.ini configuration file

B). By using the set_error_log() function

C). By adding comments to the code

D). By disabling error logging completely