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

Answer & Solution

Answer: Option B
Solution:
The error_log() function in PHP is commonly used to log messages with different severity levels, allowing developers to categorize and track errors and messages effectively.
Related Questions on Average

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

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

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()

Which PHP library is commonly used for advanced logging functionalities?

A). Monolog

B). Swiftmailer

C). Guzzle

D). Symfony

What is the purpose of logging errors and exceptions in PHP applications?

A). To diagnose issues and debug code

B). To enhance server performance

C). To minimize memory consumption

D). To improve code readability

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

A). ERROR

B). WARNING

C). INFO

D). CRITICAL

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

Which PHP function is used to catch and handle exceptions?

A). catch_exception()

B). handle_exception()

C). try_catch()

D). try()