14. How can you trigger a user-defined error in PHP?

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

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

A). error_reporting

B). display_errors

C). log_errors

D). error_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 used to output or return a parsable string representation of a variable?

A). var_dump()

B). echo()

C). print()

D). var_export()

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 breakpoints and inspect variable values in PHP code?

A). By using a debugger integrated with an IDE

B). By adding echo statements throughout the code

C). By setting environment variables

D). By configuring PHP directives in php.ini

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

A). echo()

B). print()

C). error_log()

D). log_message()

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 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