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

Which PHP function is commonly used to log messages to a file?

A). echo()

B). print()

C). error_log()

D). log_message()

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

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

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 used to output or return a parsable string representation of a variable?

A). var_dump()

B). echo()

C). print()

D). var_export()

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

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

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