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

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 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

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 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

Which PHP directive controls whether errors are displayed on the web page?

A). error_reporting

B). display_errors

C). log_errors

D). error_log

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 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 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);

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