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 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
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 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 primary purpose of using breakpoints in a debugger?
A). To pause script execution at specific points for analysis and inspection
B). To display error messages
C). To terminate script execution immediately
D). To hide certain lines of code from execution
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 print a human-readable representation of a variable?
A). echo()
B). print_r()
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);
Which PHP function is commonly used to log messages to a file?
A). echo()
B). print()
C). error_log()
D). log_message()