Which PHP function is commonly used to log messages to a file?
A). echo()
B). print()
C). error_log()
D). log_message()
What function is commonly used to display structured information about variables in PHP?
A). print_r()
B). echo()
C). var_dump()
D). log()
How can you set the level of error reporting in PHP to display all types of errors?
A). error_reporting(E_ALL);
B). error_reporting(E_NOTICE);
C). error_reporting(E_ERROR);
D). error_reporting(E_WARNING);
What feature of Xdebug allows developers to debug PHP scripts remotely from an IDE?
A). Remote debugging
B). Error logging
C). Error reporting
D). Code profiling
How does setting the log_errors directive to On affect PHP behavior?
A). It enables logging of errors to a file
B). It disables error reporting to the web page
C). It suppresses error messages
D). It increases script execution speed
Which PHP function is used to set the level of error reporting?
A). error_log()
B). display_errors()
C). set_error_handler()
D). error_reporting()
Which PHP function is used to output or return a parsable string representation of a variable?
A). var_dump()
B). echo()
C). print()
D). var_export()
Which PHP directive controls whether errors are displayed on the web page?
A). error_reporting
B). display_errors
C). log_errors
D). error_log
Which PHP function is used to print a human-readable representation of a variable?
A). echo()
B). print_r()
C). var_dump()
D). log()
How can you trigger a user-defined error in PHP?
A). By calling the trigger_error() function
B). By using the print() function
C). By setting a breakpoint in the code
D). By configuring PHP directives in php.ini