What function is commonly used to display structured information about variables in PHP?
A). print_r()
B). echo()
C). var_dump()
D). log()
What is the primary benefit of using Xdebug for PHP debugging?
A). Advanced features like stack traces and profiling
B). Lightweight and easy to install
C). Integration with third-party IDEs
D). Cross-platform compatibility
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 output or return a parsable string representation of a variable?
A). var_dump()
B). echo()
C). print()
D). var_export()
Which PHP function is commonly used to log messages to a file?
A). echo()
B). print()
C). error_log()
D). log_message()
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
What is the purpose of logging messages during PHP script execution?
A). To track program flow, variable values, and errors
B). To increase script execution speed
C). To display additional output on the web page
D). To prevent script errors
What does the xdebug.remote_enable directive control?
A). Whether remote debugging is enabled
B). Whether error logging is enabled
C). Whether error reporting is enabled
D). Whether Xdebug is installed
Which PHP directive controls whether errors are displayed on the web page?
A). error_reporting
B). display_errors
C). log_errors
D). error_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