19. How does setting the log_errors directive to On affect PHP behavior?

What does the var_export() function do in PHP?

A). Outputs or returns a parsable string representation of a variable

B). Prints a human-readable representation of a variable

C). Logs a message to a file

D). Redirects script output to a specified file

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

Which PHP function is used to print a human-readable representation of a variable?

A). echo()

B). print_r()

C). var_dump()

D). log()

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 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 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

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()