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
Which PHP function is commonly used to log messages to a file?
A). echo()
B). print()
C). error_log()
D). log_message()
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()
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
What is the purpose of using the die() function in PHP?
A). To terminate script execution immediately
B). To display an error message
C). To restart the script
D). To pause script execution indefinitely
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 using breakpoints in a debugger?
A). To pause script execution at specific points for analysis and inspection
B). To terminate script execution immediately
C). To display error messages
D). To hide certain lines of code from execution
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 function is commonly used to display structured information about variables in PHP?
A). print_r()
B). echo()
C). var_dump()
D). log()
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