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 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 construct is used for exception handling?
A). try-catch
B). if-else
C). switch-case
D). for loop
What function is commonly used to log errors to a file in PHP?
A). error_reporting()
B). display_errors()
C). error_log()
D). set_error_handler()
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
Which PHP library is commonly used for advanced logging functionalities?
A). Monolog
B). Swiftmailer
C). Guzzle
D). Symfony
What is the purpose of the error_reporting() function in PHP?
A). To set the level of error reporting in PHP
B). To display errors on the web page
C). To log errors to a file
D). To suppress errors
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